Home / 161,736.80-242,648.40-144,327.20

Finding the Fourth Proportional to 161,736.80, 242,648.40 and 144,327.20

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Solution

The fourth proportional to 161,736.80, 242,648.40 and 144,327.20 is: 216,529.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,736.80 : 242,648.40 = 144,327.20 : x
  2. Step 2: Convert to fraction form
    161,736.80/242,648.40 = 144,327.20/x
  3. Step 3: Cross multiply
    161,736.80x = 242,648.40 × 144,327.20
  4. Step 4: Simplify right side
    161,736.80x = 35,020,764,156.48
  5. Step 5: Solve for x
    x = 35,020,764,156.48/161,736.80
  6. Step 6: Final answer
    x = 216,529.35

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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.