Home / 185,214.14-255,595.51-100,331.20

Finding the Fourth Proportional to 185,214.14, 255,595.51 and 100,331.20

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Solution

The fourth proportional to 185,214.14, 255,595.51 and 100,331.20 is: 138,457.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,214.14 : 255,595.51 = 100,331.20 : x
  2. Step 2: Convert to fraction form
    185,214.14/255,595.51 = 100,331.20/x
  3. Step 3: Cross multiply
    185,214.14x = 255,595.51 × 100,331.20
  4. Step 4: Simplify right side
    185,214.14x = 25,644,202,954.93
  5. Step 5: Solve for x
    x = 25,644,202,954.93/185,214.14
  6. Step 6: Final answer
    x = 138,457.05

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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.