Home / 90,462.18-124,845.45-50,188.89

Finding the Fourth Proportional to 90,462.18, 124,845.45 and 50,188.89

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Solution

The fourth proportional to 90,462.18, 124,845.45 and 50,188.89 is: 69,264.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,462.18 : 124,845.45 = 50,188.89 : x
  2. Step 2: Convert to fraction form
    90,462.18/124,845.45 = 50,188.89/x
  3. Step 3: Cross multiply
    90,462.18x = 124,845.45 × 50,188.89
  4. Step 4: Simplify right side
    90,462.18x = 6,265,854,557.05
  5. Step 5: Solve for x
    x = 6,265,854,557.05/90,462.18
  6. Step 6: Final answer
    x = 69,264.91

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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.