Home / 131,658.08-197,507.60-42,890.92

Finding the Fourth Proportional to 131,658.08, 197,507.60 and 42,890.92

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Solution

The fourth proportional to 131,658.08, 197,507.60 and 42,890.92 is: 64,343.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,658.08 : 197,507.60 = 42,890.92 : x
  2. Step 2: Convert to fraction form
    131,658.08/197,507.60 = 42,890.92/x
  3. Step 3: Cross multiply
    131,658.08x = 197,507.60 × 42,890.92
  4. Step 4: Simplify right side
    131,658.08x = 8,471,282,123.61
  5. Step 5: Solve for x
    x = 8,471,282,123.61/131,658.08
  6. Step 6: Final answer
    x = 64,343.05

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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.