Home / 84,891.52-117,186.20-57,302.16

Finding the Fourth Proportional to 84,891.52, 117,186.20 and 57,302.16

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Solution

The fourth proportional to 84,891.52, 117,186.20 and 57,302.16 is: 79,101.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,891.52 : 117,186.20 = 57,302.16 : x
  2. Step 2: Convert to fraction form
    84,891.52/117,186.20 = 57,302.16/x
  3. Step 3: Cross multiply
    84,891.52x = 117,186.20 × 57,302.16
  4. Step 4: Simplify right side
    84,891.52x = 6,715,022,382.19
  5. Step 5: Solve for x
    x = 6,715,022,382.19/84,891.52
  6. Step 6: Final answer
    x = 79,101.22

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1.5x scale

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.