Home / 161,720.10-242,580.15-149,910.30

Finding the Fourth Proportional to 161,720.10, 242,580.15 and 149,910.30

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Solution

The fourth proportional to 161,720.10, 242,580.15 and 149,910.30 is: 224,865.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,720.10 : 242,580.15 = 149,910.30 : x
  2. Step 2: Convert to fraction form
    161,720.10/242,580.15 = 149,910.30/x
  3. Step 3: Cross multiply
    161,720.10x = 242,580.15 × 149,910.30
  4. Step 4: Simplify right side
    161,720.10x = 36,365,263,060.55
  5. Step 5: Solve for x
    x = 36,365,263,060.55/161,720.10
  6. Step 6: Final answer
    x = 224,865.45

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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.