Home / 161,836.40-242,812.20-156,076.40

Finding the Fourth Proportional to 161,836.40, 242,812.20 and 156,076.40

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Solution

The fourth proportional to 161,836.40, 242,812.20 and 156,076.40 is: 234,170.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,836.40 : 242,812.20 = 156,076.40 : x
  2. Step 2: Convert to fraction form
    161,836.40/242,812.20 = 156,076.40/x
  3. Step 3: Cross multiply
    161,836.40x = 242,812.20 × 156,076.40
  4. Step 4: Simplify right side
    161,836.40x = 37,897,254,052.08
  5. Step 5: Solve for x
    x = 37,897,254,052.08/161,836.40
  6. Step 6: Final answer
    x = 234,170.15

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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.