Home / 97,655.38-134,778.78-61,848.70

Finding the Fourth Proportional to 97,655.38, 134,778.78 and 61,848.70

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Solution

The fourth proportional to 97,655.38, 134,778.78 and 61,848.70 is: 85,360.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,655.38 : 134,778.78 = 61,848.70 : x
  2. Step 2: Convert to fraction form
    97,655.38/134,778.78 = 61,848.70/x
  3. Step 3: Cross multiply
    97,655.38x = 134,778.78 × 61,848.70
  4. Step 4: Simplify right side
    97,655.38x = 8,335,892,330.59
  5. Step 5: Solve for x
    x = 8,335,892,330.59/97,655.38
  6. Step 6: Final answer
    x = 85,360.30

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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.