Home / 105,488.93-158,151.49-52,144.16

Finding the Fourth Proportional to 105,488.93, 158,151.49 and 52,144.16

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Solution

The fourth proportional to 105,488.93, 158,151.49 and 52,144.16 is: 78,175.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,488.93 : 158,151.49 = 52,144.16 : x
  2. Step 2: Convert to fraction form
    105,488.93/158,151.49 = 52,144.16/x
  3. Step 3: Cross multiply
    105,488.93x = 158,151.49 × 52,144.16
  4. Step 4: Simplify right side
    105,488.93x = 8,246,675,677.68
  5. Step 5: Solve for x
    x = 8,246,675,677.68/105,488.93
  6. Step 6: Final answer
    x = 78,175.74

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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.