Home / 147,997.40-221,996.10-144,498.20

Finding the Fourth Proportional to 147,997.40, 221,996.10 and 144,498.20

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Solution

The fourth proportional to 147,997.40, 221,996.10 and 144,498.20 is: 216,747.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,997.40 : 221,996.10 = 144,498.20 : x
  2. Step 2: Convert to fraction form
    147,997.40/221,996.10 = 144,498.20/x
  3. Step 3: Cross multiply
    147,997.40x = 221,996.10 × 144,498.20
  4. Step 4: Simplify right side
    147,997.40x = 32,078,036,857.02
  5. Step 5: Solve for x
    x = 32,078,036,857.02/147,997.40
  6. Step 6: Final answer
    x = 216,747.30

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1.5x scale

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.