Home / 259,746.60-389,619.90-109,937.10

Finding the Fourth Proportional to 259,746.60, 389,619.90 and 109,937.10

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Solution

The fourth proportional to 259,746.60, 389,619.90 and 109,937.10 is: 164,905.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,746.60 : 389,619.90 = 109,937.10 : x
  2. Step 2: Convert to fraction form
    259,746.60/389,619.90 = 109,937.10/x
  3. Step 3: Cross multiply
    259,746.60x = 389,619.90 × 109,937.10
  4. Step 4: Simplify right side
    259,746.60x = 42,833,681,908.29
  5. Step 5: Solve for x
    x = 42,833,681,908.29/259,746.60
  6. Step 6: Final answer
    x = 164,905.65

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.