Home / 175,712.15-242,473.16-103,105.31

Finding the Fourth Proportional to 175,712.15, 242,473.16 and 103,105.31

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Solution

The fourth proportional to 175,712.15, 242,473.16 and 103,105.31 is: 142,279.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,712.15 : 242,473.16 = 103,105.31 : x
  2. Step 2: Convert to fraction form
    175,712.15/242,473.16 = 103,105.31/x
  3. Step 3: Cross multiply
    175,712.15x = 242,473.16 × 103,105.31
  4. Step 4: Simplify right side
    175,712.15x = 25,000,269,373.88
  5. Step 5: Solve for x
    x = 25,000,269,373.88/175,712.15
  6. Step 6: Final answer
    x = 142,279.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.