Home / 129,663.04-194,527.36-36,168.72

Finding the Fourth Proportional to 129,663.04, 194,527.36 and 36,168.72

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Solution

The fourth proportional to 129,663.04, 194,527.36 and 36,168.72 is: 54,262.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,663.04 : 194,527.36 = 36,168.72 : x
  2. Step 2: Convert to fraction form
    129,663.04/194,527.36 = 36,168.72/x
  3. Step 3: Cross multiply
    129,663.04x = 194,527.36 × 36,168.72
  4. Step 4: Simplify right side
    129,663.04x = 7,035,805,616.18
  5. Step 5: Solve for x
    x = 7,035,805,616.18/129,663.04
  6. Step 6: Final answer
    x = 54,262.23

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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.