Home / 91,177.20-136,656.45-46,781.10

Finding the Fourth Proportional to 91,177.20, 136,656.45 and 46,781.10

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Solution

The fourth proportional to 91,177.20, 136,656.45 and 46,781.10 is: 70,115.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,177.20 : 136,656.45 = 46,781.10 : x
  2. Step 2: Convert to fraction form
    91,177.20/136,656.45 = 46,781.10/x
  3. Step 3: Cross multiply
    91,177.20x = 136,656.45 × 46,781.10
  4. Step 4: Simplify right side
    91,177.20x = 6,392,939,053.10
  5. Step 5: Solve for x
    x = 6,392,939,053.10/91,177.20
  6. Step 6: Final answer
    x = 70,115.54

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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.