Home / 161,718.60-242,318.70-102,448.20

Finding the Fourth Proportional to 161,718.60, 242,318.70 and 102,448.20

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Solution

The fourth proportional to 161,718.60, 242,318.70 and 102,448.20 is: 153,508.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,718.60 : 242,318.70 = 102,448.20 : x
  2. Step 2: Convert to fraction form
    161,718.60/242,318.70 = 102,448.20/x
  3. Step 3: Cross multiply
    161,718.60x = 242,318.70 × 102,448.20
  4. Step 4: Simplify right side
    161,718.60x = 24,825,114,641.34
  5. Step 5: Solve for x
    x = 24,825,114,641.34/161,718.60
  6. Step 6: Final answer
    x = 153,508.10

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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.