Home / 99,284.78-137,013.91-53,962.87

Finding the Fourth Proportional to 99,284.78, 137,013.91 and 53,962.87

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Solution

The fourth proportional to 99,284.78, 137,013.91 and 53,962.87 is: 74,469.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,284.78 : 137,013.91 = 53,962.87 : x
  2. Step 2: Convert to fraction form
    99,284.78/137,013.91 = 53,962.87/x
  3. Step 3: Cross multiply
    99,284.78x = 137,013.91 × 53,962.87
  4. Step 4: Simplify right side
    99,284.78x = 7,393,663,896.52
  5. Step 5: Solve for x
    x = 7,393,663,896.52/99,284.78
  6. Step 6: Final answer
    x = 74,469.26

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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.