Home / 99,497.56-137,309.24-54,177.45

Finding the Fourth Proportional to 99,497.56, 137,309.24 and 54,177.45

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Solution

The fourth proportional to 99,497.56, 137,309.24 and 54,177.45 is: 74,766.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,497.56 : 137,309.24 = 54,177.45 : x
  2. Step 2: Convert to fraction form
    99,497.56/137,309.24 = 54,177.45/x
  3. Step 3: Cross multiply
    99,497.56x = 137,309.24 × 54,177.45
  4. Step 4: Simplify right side
    99,497.56x = 7,439,064,620.08
  5. Step 5: Solve for x
    x = 7,439,064,620.08/99,497.56
  6. Step 6: Final answer
    x = 74,766.30

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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.