Home / 132,470.51-182,807.57-72,039.85

Finding the Fourth Proportional to 132,470.51, 182,807.57 and 72,039.85

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Solution

The fourth proportional to 132,470.51, 182,807.57 and 72,039.85 is: 99,414.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,470.51 : 182,807.57 = 72,039.85 : x
  2. Step 2: Convert to fraction form
    132,470.51/182,807.57 = 72,039.85/x
  3. Step 3: Cross multiply
    132,470.51x = 182,807.57 × 72,039.85
  4. Step 4: Simplify right side
    132,470.51x = 13,169,429,239.52
  5. Step 5: Solve for x
    x = 13,169,429,239.52/132,470.51
  6. Step 6: Final answer
    x = 99,414.05

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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.