Home / 161,680.80-242,564.40-144,271.20

Finding the Fourth Proportional to 161,680.80, 242,564.40 and 144,271.20

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Solution

The fourth proportional to 161,680.80, 242,564.40 and 144,271.20 is: 216,445.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,680.80 : 242,564.40 = 144,271.20 : x
  2. Step 2: Convert to fraction form
    161,680.80/242,564.40 = 144,271.20/x
  3. Step 3: Cross multiply
    161,680.80x = 242,564.40 × 144,271.20
  4. Step 4: Simplify right side
    161,680.80x = 34,995,057,065.28
  5. Step 5: Solve for x
    x = 34,995,057,065.28/161,680.80
  6. Step 6: Final answer
    x = 216,445.35

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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.