Home / 90,459.06-124,833.45-50,178.90

Finding the Fourth Proportional to 90,459.06, 124,833.45 and 50,178.90

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Solution

The fourth proportional to 90,459.06, 124,833.45 and 50,178.90 is: 69,246.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,459.06 : 124,833.45 = 50,178.90 : x
  2. Step 2: Convert to fraction form
    90,459.06/124,833.45 = 50,178.90/x
  3. Step 3: Cross multiply
    90,459.06x = 124,833.45 × 50,178.90
  4. Step 4: Simplify right side
    90,459.06x = 6,264,005,204.21
  5. Step 5: Solve for x
    x = 6,264,005,204.21/90,459.06
  6. Step 6: Final answer
    x = 69,246.85

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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.