Home / 161,901.20-242,592.60-106,432.40

Finding the Fourth Proportional to 161,901.20, 242,592.60 and 106,432.40

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Solution

The fourth proportional to 161,901.20, 242,592.60 and 106,432.40 is: 159,478.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,901.20 : 242,592.60 = 106,432.40 : x
  2. Step 2: Convert to fraction form
    161,901.20/242,592.60 = 106,432.40/x
  3. Step 3: Cross multiply
    161,901.20x = 242,592.60 × 106,432.40
  4. Step 4: Simplify right side
    161,901.20x = 25,819,712,640.24
  5. Step 5: Solve for x
    x = 25,819,712,640.24/161,901.20
  6. Step 6: Final answer
    x = 159,478.20

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1.5x scale

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.