Home / 99,656.39-137,523.96-54,334.76

Finding the Fourth Proportional to 99,656.39, 137,523.96 and 54,334.76

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Solution

The fourth proportional to 99,656.39, 137,523.96 and 54,334.76 is: 74,980.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,656.39 : 137,523.96 = 54,334.76 : x
  2. Step 2: Convert to fraction form
    99,656.39/137,523.96 = 54,334.76/x
  3. Step 3: Cross multiply
    99,656.39x = 137,523.96 × 54,334.76
  4. Step 4: Simplify right side
    99,656.39x = 7,472,331,360.85
  5. Step 5: Solve for x
    x = 7,472,331,360.85/99,656.39
  6. Step 6: Final answer
    x = 74,980.96

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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.