Home / 251,373.60-376,847.96-109,111.28

Finding the Fourth Proportional to 251,373.60, 376,847.96 and 109,111.28

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Solution

The fourth proportional to 251,373.60, 376,847.96 and 109,111.28 is: 163,574.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,373.60 : 376,847.96 = 109,111.28 : x
  2. Step 2: Convert to fraction form
    251,373.60/376,847.96 = 109,111.28/x
  3. Step 3: Cross multiply
    251,373.60x = 376,847.96 × 109,111.28
  4. Step 4: Simplify right side
    251,373.60x = 41,118,360,851.19
  5. Step 5: Solve for x
    x = 41,118,360,851.19/251,373.60
  6. Step 6: Final answer
    x = 163,574.70

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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.