Home / 132,345.75-182,637.14-72,729.75

Finding the Fourth Proportional to 132,345.75, 182,637.14 and 72,729.75

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Solution

The fourth proportional to 132,345.75, 182,637.14 and 72,729.75 is: 100,367.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,345.75 : 182,637.14 = 72,729.75 : x
  2. Step 2: Convert to fraction form
    132,345.75/182,637.14 = 72,729.75/x
  3. Step 3: Cross multiply
    132,345.75x = 182,637.14 × 72,729.75
  4. Step 4: Simplify right side
    132,345.75x = 13,283,153,532.92
  5. Step 5: Solve for x
    x = 13,283,153,532.92/132,345.75
  6. Step 6: Final answer
    x = 100,367.06

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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.