Home / 102,242.26-153,369.12-31,167.21

Finding the Fourth Proportional to 102,242.26, 153,369.12 and 31,167.21

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Solution

The fourth proportional to 102,242.26, 153,369.12 and 31,167.21 is: 46,752.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,242.26 : 153,369.12 = 31,167.21 : x
  2. Step 2: Convert to fraction form
    102,242.26/153,369.12 = 31,167.21/x
  3. Step 3: Cross multiply
    102,242.26x = 153,369.12 × 31,167.21
  4. Step 4: Simplify right side
    102,242.26x = 4,780,087,414.72
  5. Step 5: Solve for x
    x = 4,780,087,414.72/102,242.26
  6. Step 6: Final answer
    x = 46,752.56

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1.5x scale

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.