Home / 99,454.95-137,247.74-54,132.88

Finding the Fourth Proportional to 99,454.95, 137,247.74 and 54,132.88

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Solution

The fourth proportional to 99,454.95, 137,247.74 and 54,132.88 is: 74,703.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,454.95 : 137,247.74 = 54,132.88 : x
  2. Step 2: Convert to fraction form
    99,454.95/137,247.74 = 54,132.88/x
  3. Step 3: Cross multiply
    99,454.95x = 137,247.74 × 54,132.88
  4. Step 4: Simplify right side
    99,454.95x = 7,429,615,439.69
  5. Step 5: Solve for x
    x = 7,429,615,439.69/99,454.95
  6. Step 6: Final answer
    x = 74,703.32

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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.