Home / 132,472.39-182,810.15-72,041.73

Finding the Fourth Proportional to 132,472.39, 182,810.15 and 72,041.73

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Solution

The fourth proportional to 132,472.39, 182,810.15 and 72,041.73 is: 99,416.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,472.39 : 182,810.15 = 72,041.73 : x
  2. Step 2: Convert to fraction form
    132,472.39/182,810.15 = 72,041.73/x
  3. Step 3: Cross multiply
    132,472.39x = 182,810.15 × 72,041.73
  4. Step 4: Simplify right side
    132,472.39x = 13,169,959,647.66
  5. Step 5: Solve for x
    x = 13,169,959,647.66/132,472.39
  6. Step 6: Final answer
    x = 99,416.64

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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.