Home / 91,502.30-126,244.40-51,209.66

Finding the Fourth Proportional to 91,502.30, 126,244.40 and 51,209.66

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Solution

The fourth proportional to 91,502.30, 126,244.40 and 51,209.66 is: 70,653.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,502.30 : 126,244.40 = 51,209.66 : x
  2. Step 2: Convert to fraction form
    91,502.30/126,244.40 = 51,209.66/x
  3. Step 3: Cross multiply
    91,502.30x = 126,244.40 × 51,209.66
  4. Step 4: Simplify right side
    91,502.30x = 6,464,932,860.47
  5. Step 5: Solve for x
    x = 6,464,932,860.47/91,502.30
  6. Step 6: Final answer
    x = 70,653.23

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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.