Home / 132,437.52-182,764.80-72,009.36

Finding the Fourth Proportional to 132,437.52, 182,764.80 and 72,009.36

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Solution

The fourth proportional to 132,437.52, 182,764.80 and 72,009.36 is: 99,373.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,437.52 : 182,764.80 = 72,009.36 : x
  2. Step 2: Convert to fraction form
    132,437.52/182,764.80 = 72,009.36/x
  3. Step 3: Cross multiply
    132,437.52x = 182,764.80 × 72,009.36
  4. Step 4: Simplify right side
    132,437.52x = 13,160,776,278.53
  5. Step 5: Solve for x
    x = 13,160,776,278.53/132,437.52
  6. Step 6: Final answer
    x = 99,373.47

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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.