Home / 88,718.10-133,077.15-87,551.70

Finding the Fourth Proportional to 88,718.10, 133,077.15 and 87,551.70

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Solution

The fourth proportional to 88,718.10, 133,077.15 and 87,551.70 is: 131,327.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,718.10 : 133,077.15 = 87,551.70 : x
  2. Step 2: Convert to fraction form
    88,718.10/133,077.15 = 87,551.70/x
  3. Step 3: Cross multiply
    88,718.10x = 133,077.15 × 87,551.70
  4. Step 4: Simplify right side
    88,718.10x = 11,651,130,713.66
  5. Step 5: Solve for x
    x = 11,651,130,713.66/88,718.10
  6. Step 6: Final answer
    x = 131,327.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.