Home / 132,597.09-182,985.48-72,168.12

Finding the Fourth Proportional to 132,597.09, 182,985.48 and 72,168.12

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Solution

The fourth proportional to 132,597.09, 182,985.48 and 72,168.12 is: 99,592.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,597.09 : 182,985.48 = 72,168.12 : x
  2. Step 2: Convert to fraction form
    132,597.09/182,985.48 = 72,168.12/x
  3. Step 3: Cross multiply
    132,597.09x = 182,985.48 × 72,168.12
  4. Step 4: Simplify right side
    132,597.09x = 13,205,718,078.90
  5. Step 5: Solve for x
    x = 13,205,718,078.90/132,597.09
  6. Step 6: Final answer
    x = 99,592.82

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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.