Home / 156,612.30-234,918.45-38,284.80

Finding the Fourth Proportional to 156,612.30, 234,918.45 and 38,284.80

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Solution

The fourth proportional to 156,612.30, 234,918.45 and 38,284.80 is: 57,427.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,612.30 : 234,918.45 = 38,284.80 : x
  2. Step 2: Convert to fraction form
    156,612.30/234,918.45 = 38,284.80/x
  3. Step 3: Cross multiply
    156,612.30x = 234,918.45 × 38,284.80
  4. Step 4: Simplify right side
    156,612.30x = 8,993,805,874.56
  5. Step 5: Solve for x
    x = 8,993,805,874.56/156,612.30
  6. Step 6: Final answer
    x = 57,427.20

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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.