Home / 161,718.90-242,578.35-147,722.10

Finding the Fourth Proportional to 161,718.90, 242,578.35 and 147,722.10

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Solution

The fourth proportional to 161,718.90, 242,578.35 and 147,722.10 is: 221,583.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,718.90 : 242,578.35 = 147,722.10 : x
  2. Step 2: Convert to fraction form
    161,718.90/242,578.35 = 147,722.10/x
  3. Step 3: Cross multiply
    161,718.90x = 242,578.35 × 147,722.10
  4. Step 4: Simplify right side
    161,718.90x = 35,834,183,276.54
  5. Step 5: Solve for x
    x = 35,834,183,276.54/161,718.90
  6. Step 6: Final answer
    x = 221,583.15

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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.