Home / 132,159.29-182,296.87-78,406.25

Finding the Fourth Proportional to 132,159.29, 182,296.87 and 78,406.25

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Solution

The fourth proportional to 132,159.29, 182,296.87 and 78,406.25 is: 108,151.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,159.29 : 182,296.87 = 78,406.25 : x
  2. Step 2: Convert to fraction form
    132,159.29/182,296.87 = 78,406.25/x
  3. Step 3: Cross multiply
    132,159.29x = 182,296.87 × 78,406.25
  4. Step 4: Simplify right side
    132,159.29x = 14,293,213,963.44
  5. Step 5: Solve for x
    x = 14,293,213,963.44/132,159.29
  6. Step 6: Final answer
    x = 108,151.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.