Home / 99,260.64-136,988.08-54,557.92

Finding the Fourth Proportional to 99,260.64, 136,988.08 and 54,557.92

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Solution

The fourth proportional to 99,260.64, 136,988.08 and 54,557.92 is: 75,294.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,260.64 : 136,988.08 = 54,557.92 : x
  2. Step 2: Convert to fraction form
    99,260.64/136,988.08 = 54,557.92/x
  3. Step 3: Cross multiply
    99,260.64x = 136,988.08 × 54,557.92
  4. Step 4: Simplify right side
    99,260.64x = 7,473,784,709.59
  5. Step 5: Solve for x
    x = 7,473,784,709.59/99,260.64
  6. Step 6: Final answer
    x = 75,294.54

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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.