Home / 132,539.52-182,902.53-72,108.79

Finding the Fourth Proportional to 132,539.52, 182,902.53 and 72,108.79

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Solution

The fourth proportional to 132,539.52, 182,902.53 and 72,108.79 is: 99,509.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,539.52 : 182,902.53 = 72,108.79 : x
  2. Step 2: Convert to fraction form
    132,539.52/182,902.53 = 72,108.79/x
  3. Step 3: Cross multiply
    132,539.52x = 182,902.53 × 72,108.79
  4. Step 4: Simplify right side
    132,539.52x = 13,188,880,126.24
  5. Step 5: Solve for x
    x = 13,188,880,126.24/132,539.52
  6. Step 6: Final answer
    x = 99,509.04

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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.