Home / 91,396.68-126,159.14-62,811

Finding the Fourth Proportional to 91,396.68, 126,159.14 and 62,811

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Solution

The fourth proportional to 91,396.68, 126,159.14 and 62,811 is: 86,700.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,396.68 : 126,159.14 = 62,811 : x
  2. Step 2: Convert to fraction form
    91,396.68/126,159.14 = 62,811/x
  3. Step 3: Cross multiply
    91,396.68x = 126,159.14 × 62,811
  4. Step 4: Simplify right side
    91,396.68x = 7,924,181,742.54
  5. Step 5: Solve for x
    x = 7,924,181,742.54/91,396.68
  6. Step 6: Final answer
    x = 86,700.98

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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.