Home / 102,619.19-141,613.13-57,297.95

Finding the Fourth Proportional to 102,619.19, 141,613.13 and 57,297.95

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Solution

The fourth proportional to 102,619.19, 141,613.13 and 57,297.95 is: 79,070.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,619.19 : 141,613.13 = 57,297.95 : x
  2. Step 2: Convert to fraction form
    102,619.19/141,613.13 = 57,297.95/x
  3. Step 3: Cross multiply
    102,619.19x = 141,613.13 × 57,297.95
  4. Step 4: Simplify right side
    102,619.19x = 8,114,142,042.08
  5. Step 5: Solve for x
    x = 8,114,142,042.08/102,619.19
  6. Step 6: Final answer
    x = 79,070.42

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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.