Home / 99,620.62-137,475.57-54,298.60

Finding the Fourth Proportional to 99,620.62, 137,475.57 and 54,298.60

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Solution

The fourth proportional to 99,620.62, 137,475.57 and 54,298.60 is: 74,931.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,620.62 : 137,475.57 = 54,298.60 : x
  2. Step 2: Convert to fraction form
    99,620.62/137,475.57 = 54,298.60/x
  3. Step 3: Cross multiply
    99,620.62x = 137,475.57 × 54,298.60
  4. Step 4: Simplify right side
    99,620.62x = 7,464,730,985.20
  5. Step 5: Solve for x
    x = 7,464,730,985.20/99,620.62
  6. Step 6: Final answer
    x = 74,931.59

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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.