Home / 90,188.74-124,459.22-49,901.77

Finding the Fourth Proportional to 90,188.74, 124,459.22 and 49,901.77

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Solution

The fourth proportional to 90,188.74, 124,459.22 and 49,901.77 is: 68,863.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,188.74 : 124,459.22 = 49,901.77 : x
  2. Step 2: Convert to fraction form
    90,188.74/124,459.22 = 49,901.77/x
  3. Step 3: Cross multiply
    90,188.74x = 124,459.22 × 49,901.77
  4. Step 4: Simplify right side
    90,188.74x = 6,210,734,499.01
  5. Step 5: Solve for x
    x = 6,210,734,499.01/90,188.74
  6. Step 6: Final answer
    x = 68,863.75

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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.