Home / 132,158.10-198,261.90-43,437.18

Finding the Fourth Proportional to 132,158.10, 198,261.90 and 43,437.18

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Solution

The fourth proportional to 132,158.10, 198,261.90 and 43,437.18 is: 65,163.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,158.10 : 198,261.90 = 43,437.18 : x
  2. Step 2: Convert to fraction form
    132,158.10/198,261.90 = 43,437.18/x
  3. Step 3: Cross multiply
    132,158.10x = 198,261.90 × 43,437.18
  4. Step 4: Simplify right side
    132,158.10x = 8,611,937,837.44
  5. Step 5: Solve for x
    x = 8,611,937,837.44/132,158.10
  6. Step 6: Final answer
    x = 65,163.90

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1.5x scale

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.