Home / 102,600.59-141,591.21-64,361.75

Finding the Fourth Proportional to 102,600.59, 141,591.21 and 64,361.75

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Solution

The fourth proportional to 102,600.59, 141,591.21 and 64,361.75 is: 88,820.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,600.59 : 141,591.21 = 64,361.75 : x
  2. Step 2: Convert to fraction form
    102,600.59/141,591.21 = 64,361.75/x
  3. Step 3: Cross multiply
    102,600.59x = 141,591.21 × 64,361.75
  4. Step 4: Simplify right side
    102,600.59x = 9,113,058,060.22
  5. Step 5: Solve for x
    x = 9,113,058,060.22/102,600.59
  6. Step 6: Final answer
    x = 88,820.72

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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.