Home / 99,682.32-137,558.34-54,359.04

Finding the Fourth Proportional to 99,682.32, 137,558.34 and 54,359.04

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Solution

The fourth proportional to 99,682.32, 137,558.34 and 54,359.04 is: 75,013.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,682.32 : 137,558.34 = 54,359.04 : x
  2. Step 2: Convert to fraction form
    99,682.32/137,558.34 = 54,359.04/x
  3. Step 3: Cross multiply
    99,682.32x = 137,558.34 × 54,359.04
  4. Step 4: Simplify right side
    99,682.32x = 7,477,539,306.39
  5. Step 5: Solve for x
    x = 7,477,539,306.39/99,682.32
  6. Step 6: Final answer
    x = 75,013.70

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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.