Home / 121,617.86-182,426.78-38,505.38

Finding the Fourth Proportional to 121,617.86, 182,426.78 and 38,505.38

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Solution

The fourth proportional to 121,617.86, 182,426.78 and 38,505.38 is: 57,758.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,617.86 : 182,426.78 = 38,505.38 : x
  2. Step 2: Convert to fraction form
    121,617.86/182,426.78 = 38,505.38/x
  3. Step 3: Cross multiply
    121,617.86x = 182,426.78 × 38,505.38
  4. Step 4: Simplify right side
    121,617.86x = 7,024,411,670.21
  5. Step 5: Solve for x
    x = 7,024,411,670.21/121,617.86
  6. Step 6: Final answer
    x = 57,758.06

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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.