Home / 106,931.28-147,576.15-61,610.97

Finding the Fourth Proportional to 106,931.28, 147,576.15 and 61,610.97

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Solution

The fourth proportional to 106,931.28, 147,576.15 and 61,610.97 is: 85,029.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,931.28 : 147,576.15 = 61,610.97 : x
  2. Step 2: Convert to fraction form
    106,931.28/147,576.15 = 61,610.97/x
  3. Step 3: Cross multiply
    106,931.28x = 147,576.15 × 61,610.97
  4. Step 4: Simplify right side
    106,931.28x = 9,092,309,750.37
  5. Step 5: Solve for x
    x = 9,092,309,750.37/106,931.28
  6. Step 6: Final answer
    x = 85,029.47

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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.