Home / 180,143.37-248,610.76-99,569.18

Finding the Fourth Proportional to 180,143.37, 248,610.76 and 99,569.18

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Solution

The fourth proportional to 180,143.37, 248,610.76 and 99,569.18 is: 137,412.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,143.37 : 248,610.76 = 99,569.18 : x
  2. Step 2: Convert to fraction form
    180,143.37/248,610.76 = 99,569.18/x
  3. Step 3: Cross multiply
    180,143.37x = 248,610.76 × 99,569.18
  4. Step 4: Simplify right side
    180,143.37x = 24,753,969,884.98
  5. Step 5: Solve for x
    x = 24,753,969,884.98/180,143.37
  6. Step 6: Final answer
    x = 137,412.61

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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.