Home / 156,297.60-234,308.16-73,169.28

Finding the Fourth Proportional to 156,297.60, 234,308.16 and 73,169.28

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Solution

The fourth proportional to 156,297.60, 234,308.16 and 73,169.28 is: 109,689.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,297.60 : 234,308.16 = 73,169.28 : x
  2. Step 2: Convert to fraction form
    156,297.60/234,308.16 = 73,169.28/x
  3. Step 3: Cross multiply
    156,297.60x = 234,308.16 × 73,169.28
  4. Step 4: Simplify right side
    156,297.60x = 17,144,159,365.32
  5. Step 5: Solve for x
    x = 17,144,159,365.32/156,297.60
  6. Step 6: Final answer
    x = 109,689.20

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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.