Home / 240,001.60-331,216.80-138,059.20

Finding the Fourth Proportional to 240,001.60, 331,216.80 and 138,059.20

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Solution

The fourth proportional to 240,001.60, 331,216.80 and 138,059.20 is: 190,530.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,001.60 : 331,216.80 = 138,059.20 : x
  2. Step 2: Convert to fraction form
    240,001.60/331,216.80 = 138,059.20/x
  3. Step 3: Cross multiply
    240,001.60x = 331,216.80 × 138,059.20
  4. Step 4: Simplify right side
    240,001.60x = 45,727,526,434.56
  5. Step 5: Solve for x
    x = 45,727,526,434.56/240,001.60
  6. Step 6: Final answer
    x = 190,530.09

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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.