Home / 185,084.72-255,417.02-100,201.82

Finding the Fourth Proportional to 185,084.72, 255,417.02 and 100,201.82

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Solution

The fourth proportional to 185,084.72, 255,417.02 and 100,201.82 is: 138,278.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,084.72 : 255,417.02 = 100,201.82 : x
  2. Step 2: Convert to fraction form
    185,084.72/255,417.02 = 100,201.82/x
  3. Step 3: Cross multiply
    185,084.72x = 255,417.02 × 100,201.82
  4. Step 4: Simplify right side
    185,084.72x = 25,593,250,262.98
  5. Step 5: Solve for x
    x = 25,593,250,262.98/185,084.72
  6. Step 6: Final answer
    x = 138,278.57

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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.