Home / 156,772.32-234,862.08-121,539.36

Finding the Fourth Proportional to 156,772.32, 234,862.08 and 121,539.36

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Solution

The fourth proportional to 156,772.32, 234,862.08 and 121,539.36 is: 182,079.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,772.32 : 234,862.08 = 121,539.36 : x
  2. Step 2: Convert to fraction form
    156,772.32/234,862.08 = 121,539.36/x
  3. Step 3: Cross multiply
    156,772.32x = 234,862.08 × 121,539.36
  4. Step 4: Simplify right side
    156,772.32x = 28,544,986,891.47
  5. Step 5: Solve for x
    x = 28,544,986,891.47/156,772.32
  6. Step 6: Final answer
    x = 182,079.25

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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.