Home / 145,429.70-218,144.55-94,691.30

Finding the Fourth Proportional to 145,429.70, 218,144.55 and 94,691.30

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Solution

The fourth proportional to 145,429.70, 218,144.55 and 94,691.30 is: 142,036.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,429.70 : 218,144.55 = 94,691.30 : x
  2. Step 2: Convert to fraction form
    145,429.70/218,144.55 = 94,691.30/x
  3. Step 3: Cross multiply
    145,429.70x = 218,144.55 × 94,691.30
  4. Step 4: Simplify right side
    145,429.70x = 20,656,391,027.42
  5. Step 5: Solve for x
    x = 20,656,391,027.42/145,429.70
  6. Step 6: Final answer
    x = 142,036.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.