Home / 161,660.80-242,534.40-144,251.20

Finding the Fourth Proportional to 161,660.80, 242,534.40 and 144,251.20

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Solution

The fourth proportional to 161,660.80, 242,534.40 and 144,251.20 is: 216,415.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,660.80 : 242,534.40 = 144,251.20 : x
  2. Step 2: Convert to fraction form
    161,660.80/242,534.40 = 144,251.20/x
  3. Step 3: Cross multiply
    161,660.80x = 242,534.40 × 144,251.20
  4. Step 4: Simplify right side
    161,660.80x = 34,985,878,241.28
  5. Step 5: Solve for x
    x = 34,985,878,241.28/161,660.80
  6. Step 6: Final answer
    x = 216,415.35

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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.