Home / 158,043.20-236,481.60-144,046.40

Finding the Fourth Proportional to 158,043.20, 236,481.60 and 144,046.40

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Solution

The fourth proportional to 158,043.20, 236,481.60 and 144,046.40 is: 215,538.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,043.20 : 236,481.60 = 144,046.40 : x
  2. Step 2: Convert to fraction form
    158,043.20/236,481.60 = 144,046.40/x
  3. Step 3: Cross multiply
    158,043.20x = 236,481.60 × 144,046.40
  4. Step 4: Simplify right side
    158,043.20x = 34,064,323,146.24
  5. Step 5: Solve for x
    x = 34,064,323,146.24/158,043.20
  6. Step 6: Final answer
    x = 215,538.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.