Home / 185,265.87-255,666.96-100,382.91

Finding the Fourth Proportional to 185,265.87, 255,666.96 and 100,382.91

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Solution

The fourth proportional to 185,265.87, 255,666.96 and 100,382.91 is: 138,528.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,265.87 : 255,666.96 = 100,382.91 : x
  2. Step 2: Convert to fraction form
    185,265.87/255,666.96 = 100,382.91/x
  3. Step 3: Cross multiply
    185,265.87x = 255,666.96 × 100,382.91
  4. Step 4: Simplify right side
    185,265.87x = 25,664,593,435.65
  5. Step 5: Solve for x
    x = 25,664,593,435.65/185,265.87
  6. Step 6: Final answer
    x = 138,528.45

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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.