Home / 147,829.10-221,743.65-136,424.30

Finding the Fourth Proportional to 147,829.10, 221,743.65 and 136,424.30

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Solution

The fourth proportional to 147,829.10, 221,743.65 and 136,424.30 is: 204,636.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,829.10 : 221,743.65 = 136,424.30 : x
  2. Step 2: Convert to fraction form
    147,829.10/221,743.65 = 136,424.30/x
  3. Step 3: Cross multiply
    147,829.10x = 221,743.65 × 136,424.30
  4. Step 4: Simplify right side
    147,829.10x = 30,251,222,230.70
  5. Step 5: Solve for x
    x = 30,251,222,230.70/147,829.10
  6. Step 6: Final answer
    x = 204,636.45

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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.