Home / 90,165.29-124,414.09-51,926.45

Finding the Fourth Proportional to 90,165.29, 124,414.09 and 51,926.45

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Solution

The fourth proportional to 90,165.29, 124,414.09 and 51,926.45 is: 71,650.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,165.29 : 124,414.09 = 51,926.45 : x
  2. Step 2: Convert to fraction form
    90,165.29/124,414.09 = 51,926.45/x
  3. Step 3: Cross multiply
    90,165.29x = 124,414.09 × 51,926.45
  4. Step 4: Simplify right side
    90,165.29x = 6,460,382,023.68
  5. Step 5: Solve for x
    x = 6,460,382,023.68/90,165.29
  6. Step 6: Final answer
    x = 71,650.43

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1.5x scale

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.