Home / 99,945.66-137,925.26-54,624.19

Finding the Fourth Proportional to 99,945.66, 137,925.26 and 54,624.19

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Solution

The fourth proportional to 99,945.66, 137,925.26 and 54,624.19 is: 75,381.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,945.66 : 137,925.26 = 54,624.19 : x
  2. Step 2: Convert to fraction form
    99,945.66/137,925.26 = 54,624.19/x
  3. Step 3: Cross multiply
    99,945.66x = 137,925.26 × 54,624.19
  4. Step 4: Simplify right side
    99,945.66x = 7,534,055,299.93
  5. Step 5: Solve for x
    x = 7,534,055,299.93/99,945.66
  6. Step 6: Final answer
    x = 75,381.51

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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.