Home / 185,160.24-255,520.71-100,277.10

Finding the Fourth Proportional to 185,160.24, 255,520.71 and 100,277.10

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Solution

The fourth proportional to 185,160.24, 255,520.71 and 100,277.10 is: 138,382.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,160.24 : 255,520.71 = 100,277.10 : x
  2. Step 2: Convert to fraction form
    185,160.24/255,520.71 = 100,277.10/x
  3. Step 3: Cross multiply
    185,160.24x = 255,520.71 × 100,277.10
  4. Step 4: Simplify right side
    185,160.24x = 25,622,875,788.74
  5. Step 5: Solve for x
    x = 25,622,875,788.74/185,160.24
  6. Step 6: Final answer
    x = 138,382.17

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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.