Home / 94,878.38-142,340.94-66,853.18

Finding the Fourth Proportional to 94,878.38, 142,340.94 and 66,853.18

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Solution

The fourth proportional to 94,878.38, 142,340.94 and 66,853.18 is: 100,296.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,878.38 : 142,340.94 = 66,853.18 : x
  2. Step 2: Convert to fraction form
    94,878.38/142,340.94 = 66,853.18/x
  3. Step 3: Cross multiply
    94,878.38x = 142,340.94 × 66,853.18
  4. Step 4: Simplify right side
    94,878.38x = 9,515,944,127.34
  5. Step 5: Solve for x
    x = 9,515,944,127.34/94,878.38
  6. Step 6: Final answer
    x = 100,296.23

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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.