Home / 142,892.04-197,146.13-82,454.75

Finding the Fourth Proportional to 142,892.04, 197,146.13 and 82,454.75

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Solution

The fourth proportional to 142,892.04, 197,146.13 and 82,454.75 is: 113,761.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,892.04 : 197,146.13 = 82,454.75 : x
  2. Step 2: Convert to fraction form
    142,892.04/197,146.13 = 82,454.75/x
  3. Step 3: Cross multiply
    142,892.04x = 197,146.13 × 82,454.75
  4. Step 4: Simplify right side
    142,892.04x = 16,255,634,862.62
  5. Step 5: Solve for x
    x = 16,255,634,862.62/142,892.04
  6. Step 6: Final answer
    x = 113,761.65

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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.