Home / 140,240.55-193,524.48-76,565.91

Finding the Fourth Proportional to 140,240.55, 193,524.48 and 76,565.91

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Solution

The fourth proportional to 140,240.55, 193,524.48 and 76,565.91 is: 105,656.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,240.55 : 193,524.48 = 76,565.91 : x
  2. Step 2: Convert to fraction form
    140,240.55/193,524.48 = 76,565.91/x
  3. Step 3: Cross multiply
    140,240.55x = 193,524.48 × 76,565.91
  4. Step 4: Simplify right side
    140,240.55x = 14,817,377,918.48
  5. Step 5: Solve for x
    x = 14,817,377,918.48/140,240.55
  6. Step 6: Final answer
    x = 105,656.87

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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.