Home / 97,931.28-135,095.42-63,959.67

Finding the Fourth Proportional to 97,931.28, 135,095.42 and 63,959.67

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Solution

The fourth proportional to 97,931.28, 135,095.42 and 63,959.67 is: 88,231.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,931.28 : 135,095.42 = 63,959.67 : x
  2. Step 2: Convert to fraction form
    97,931.28/135,095.42 = 63,959.67/x
  3. Step 3: Cross multiply
    97,931.28x = 135,095.42 × 63,959.67
  4. Step 4: Simplify right side
    97,931.28x = 8,640,658,641.61
  5. Step 5: Solve for x
    x = 8,640,658,641.61/97,931.28
  6. Step 6: Final answer
    x = 88,231.85

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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.