Home / 109,009.13-163,494.79-30,102.17

Finding the Fourth Proportional to 109,009.13, 163,494.79 and 30,102.17

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Solution

The fourth proportional to 109,009.13, 163,494.79 and 30,102.17 is: 45,148.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,009.13 : 163,494.79 = 30,102.17 : x
  2. Step 2: Convert to fraction form
    109,009.13/163,494.79 = 30,102.17/x
  3. Step 3: Cross multiply
    109,009.13x = 163,494.79 × 30,102.17
  4. Step 4: Simplify right side
    109,009.13x = 4,921,547,069.96
  5. Step 5: Solve for x
    x = 4,921,547,069.96/109,009.13
  6. Step 6: Final answer
    x = 45,148.03

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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.