Home / 180,218.24-248,696.76-99,643.69

Finding the Fourth Proportional to 180,218.24, 248,696.76 and 99,643.69

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Solution

The fourth proportional to 180,218.24, 248,696.76 and 99,643.69 is: 137,505.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,218.24 : 248,696.76 = 99,643.69 : x
  2. Step 2: Convert to fraction form
    180,218.24/248,696.76 = 99,643.69/x
  3. Step 3: Cross multiply
    180,218.24x = 248,696.76 × 99,643.69
  4. Step 4: Simplify right side
    180,218.24x = 24,781,062,857.44
  5. Step 5: Solve for x
    x = 24,781,062,857.44/180,218.24
  6. Step 6: Final answer
    x = 137,505.85

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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.