Home / 161,772.90-242,659.35-147,776.10

Finding the Fourth Proportional to 161,772.90, 242,659.35 and 147,776.10

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Solution

The fourth proportional to 161,772.90, 242,659.35 and 147,776.10 is: 221,664.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,772.90 : 242,659.35 = 147,776.10 : x
  2. Step 2: Convert to fraction form
    161,772.90/242,659.35 = 147,776.10/x
  3. Step 3: Cross multiply
    161,772.90x = 242,659.35 × 147,776.10
  4. Step 4: Simplify right side
    161,772.90x = 35,859,252,371.54
  5. Step 5: Solve for x
    x = 35,859,252,371.54/161,772.90
  6. Step 6: Final answer
    x = 221,664.15

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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.