Home / 175,780.67-242,562.70-103,175.71

Finding the Fourth Proportional to 175,780.67, 242,562.70 and 103,175.71

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Solution

The fourth proportional to 175,780.67, 242,562.70 and 103,175.71 is: 142,373.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,780.67 : 242,562.70 = 103,175.71 : x
  2. Step 2: Convert to fraction form
    175,780.67/242,562.70 = 103,175.71/x
  3. Step 3: Cross multiply
    175,780.67x = 242,562.70 × 103,175.71
  4. Step 4: Simplify right side
    175,780.67x = 25,026,578,314.58
  5. Step 5: Solve for x
    x = 25,026,578,314.58/175,780.67
  6. Step 6: Final answer
    x = 142,373.90

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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.