Home / 145,123.11-217,768.65-60,875.73

Finding the Fourth Proportional to 145,123.11, 217,768.65 and 60,875.73

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Solution

The fourth proportional to 145,123.11, 217,768.65 and 60,875.73 is: 91,348.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,123.11 : 217,768.65 = 60,875.73 : x
  2. Step 2: Convert to fraction form
    145,123.11/217,768.65 = 60,875.73/x
  3. Step 3: Cross multiply
    145,123.11x = 217,768.65 × 60,875.73
  4. Step 4: Simplify right side
    145,123.11x = 13,256,825,539.86
  5. Step 5: Solve for x
    x = 13,256,825,539.86/145,123.11
  6. Step 6: Final answer
    x = 91,348.82

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1.5x scale

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.