Home / 132,430.18-182,757.25-72,004.90

Finding the Fourth Proportional to 132,430.18, 182,757.25 and 72,004.90

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Solution

The fourth proportional to 132,430.18, 182,757.25 and 72,004.90 is: 99,368.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,430.18 : 182,757.25 = 72,004.90 : x
  2. Step 2: Convert to fraction form
    132,430.18/182,757.25 = 72,004.90/x
  3. Step 3: Cross multiply
    132,430.18x = 182,757.25 × 72,004.90
  4. Step 4: Simplify right side
    132,430.18x = 13,159,417,510.53
  5. Step 5: Solve for x
    x = 13,159,417,510.53/132,430.18
  6. Step 6: Final answer
    x = 99,368.72

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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.