Home / 132,636.41-198,887.01-65,172.92

Finding the Fourth Proportional to 132,636.41, 198,887.01 and 65,172.92

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Solution

The fourth proportional to 132,636.41, 198,887.01 and 65,172.92 is: 97,726.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,636.41 : 198,887.01 = 65,172.92 : x
  2. Step 2: Convert to fraction form
    132,636.41/198,887.01 = 65,172.92/x
  3. Step 3: Cross multiply
    132,636.41x = 198,887.01 × 65,172.92
  4. Step 4: Simplify right side
    132,636.41x = 12,962,047,191.77
  5. Step 5: Solve for x
    x = 12,962,047,191.77/132,636.41
  6. Step 6: Final answer
    x = 97,726.16

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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.