Home / 239,579.20-330,621.60-132,153.76

Finding the Fourth Proportional to 239,579.20, 330,621.60 and 132,153.76

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Solution

The fourth proportional to 239,579.20, 330,621.60 and 132,153.76 is: 182,373.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,579.20 : 330,621.60 = 132,153.76 : x
  2. Step 2: Convert to fraction form
    239,579.20/330,621.60 = 132,153.76/x
  3. Step 3: Cross multiply
    239,579.20x = 330,621.60 × 132,153.76
  4. Step 4: Simplify right side
    239,579.20x = 43,692,887,577.22
  5. Step 5: Solve for x
    x = 43,692,887,577.22/239,579.20
  6. Step 6: Final answer
    x = 182,373.46

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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.