Home / 129,977.40-194,587.02-116,471.46

Finding the Fourth Proportional to 129,977.40, 194,587.02 and 116,471.46

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Solution

The fourth proportional to 129,977.40, 194,587.02 and 116,471.46 is: 174,367.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,977.40 : 194,587.02 = 116,471.46 : x
  2. Step 2: Convert to fraction form
    129,977.40/194,587.02 = 116,471.46/x
  3. Step 3: Cross multiply
    129,977.40x = 194,587.02 × 116,471.46
  4. Step 4: Simplify right side
    129,977.40x = 22,663,834,316.45
  5. Step 5: Solve for x
    x = 22,663,834,316.45/129,977.40
  6. Step 6: Final answer
    x = 174,367.50

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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.