Home / 99,587.86-137,431.26-54,265.85

Finding the Fourth Proportional to 99,587.86, 137,431.26 and 54,265.85

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Solution

The fourth proportional to 99,587.86, 137,431.26 and 54,265.85 is: 74,886.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,587.86 : 137,431.26 = 54,265.85 : x
  2. Step 2: Convert to fraction form
    99,587.86/137,431.26 = 54,265.85/x
  3. Step 3: Cross multiply
    99,587.86x = 137,431.26 × 54,265.85
  4. Step 4: Simplify right side
    99,587.86x = 7,457,823,453.31
  5. Step 5: Solve for x
    x = 7,457,823,453.31/99,587.86
  6. Step 6: Final answer
    x = 74,886.88

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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.