Home / 129,368.10-194,052.15-97,875.30

Finding the Fourth Proportional to 129,368.10, 194,052.15 and 97,875.30

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Solution

The fourth proportional to 129,368.10, 194,052.15 and 97,875.30 is: 146,812.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,368.10 : 194,052.15 = 97,875.30 : x
  2. Step 2: Convert to fraction form
    129,368.10/194,052.15 = 97,875.30/x
  3. Step 3: Cross multiply
    129,368.10x = 194,052.15 × 97,875.30
  4. Step 4: Simplify right side
    129,368.10x = 18,992,912,396.90
  5. Step 5: Solve for x
    x = 18,992,912,396.90/129,368.10
  6. Step 6: Final answer
    x = 146,812.95

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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.