Home / 185,087.27-255,420.51-100,204.31

Finding the Fourth Proportional to 185,087.27, 255,420.51 and 100,204.31

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Solution

The fourth proportional to 185,087.27, 255,420.51 and 100,204.31 is: 138,281.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,087.27 : 255,420.51 = 100,204.31 : x
  2. Step 2: Convert to fraction form
    185,087.27/255,420.51 = 100,204.31/x
  3. Step 3: Cross multiply
    185,087.27x = 255,420.51 × 100,204.31
  4. Step 4: Simplify right side
    185,087.27x = 25,594,235,964.40
  5. Step 5: Solve for x
    x = 25,594,235,964.40/185,087.27
  6. Step 6: Final answer
    x = 138,281.99

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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.