Home / 129,344.16-193,938.48-49,387.36

Finding the Fourth Proportional to 129,344.16, 193,938.48 and 49,387.36

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Solution

The fourth proportional to 129,344.16, 193,938.48 and 49,387.36 is: 74,051.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,344.16 : 193,938.48 = 49,387.36 : x
  2. Step 2: Convert to fraction form
    129,344.16/193,938.48 = 49,387.36/x
  3. Step 3: Cross multiply
    129,344.16x = 193,938.48 × 49,387.36
  4. Step 4: Simplify right side
    129,344.16x = 9,578,109,529.61
  5. Step 5: Solve for x
    x = 9,578,109,529.61/129,344.16
  6. Step 6: Final answer
    x = 74,051.35

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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.