Home / 129,376.29-194,002.98-45,126.22

Finding the Fourth Proportional to 129,376.29, 194,002.98 and 45,126.22

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Solution

The fourth proportional to 129,376.29, 194,002.98 and 45,126.22 is: 67,667.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,376.29 : 194,002.98 = 45,126.22 : x
  2. Step 2: Convert to fraction form
    129,376.29/194,002.98 = 45,126.22/x
  3. Step 3: Cross multiply
    129,376.29x = 194,002.98 × 45,126.22
  4. Step 4: Simplify right side
    129,376.29x = 8,754,621,156.14
  5. Step 5: Solve for x
    x = 8,754,621,156.14/129,376.29
  6. Step 6: Final answer
    x = 67,667.89

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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.