Home / 88,079.46-121,381.85-86,460.02

Finding the Fourth Proportional to 88,079.46, 121,381.85 and 86,460.02

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Solution

The fourth proportional to 88,079.46, 121,381.85 and 86,460.02 is: 119,150.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,079.46 : 121,381.85 = 86,460.02 : x
  2. Step 2: Convert to fraction form
    88,079.46/121,381.85 = 86,460.02/x
  3. Step 3: Cross multiply
    88,079.46x = 121,381.85 × 86,460.02
  4. Step 4: Simplify right side
    88,079.46x = 10,494,676,139.43
  5. Step 5: Solve for x
    x = 10,494,676,139.43/88,079.46
  6. Step 6: Final answer
    x = 119,150.10

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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.