Home / 97,347.38-134,217.68-81,237.89

Finding the Fourth Proportional to 97,347.38, 134,217.68 and 81,237.89

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Solution

The fourth proportional to 97,347.38, 134,217.68 and 81,237.89 is: 112,006.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,347.38 : 134,217.68 = 81,237.89 : x
  2. Step 2: Convert to fraction form
    97,347.38/134,217.68 = 81,237.89/x
  3. Step 3: Cross multiply
    97,347.38x = 134,217.68 × 81,237.89
  4. Step 4: Simplify right side
    97,347.38x = 10,903,561,053.25
  5. Step 5: Solve for x
    x = 10,903,561,053.25/97,347.38
  6. Step 6: Final answer
    x = 112,006.73

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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.