Home / 161,749.80-242,624.70-149,308.20

Finding the Fourth Proportional to 161,749.80, 242,624.70 and 149,308.20

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Solution

The fourth proportional to 161,749.80, 242,624.70 and 149,308.20 is: 223,962.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,749.80 : 242,624.70 = 149,308.20 : x
  2. Step 2: Convert to fraction form
    161,749.80/242,624.70 = 149,308.20/x
  3. Step 3: Cross multiply
    161,749.80x = 242,624.70 × 149,308.20
  4. Step 4: Simplify right side
    161,749.80x = 36,225,857,232.54
  5. Step 5: Solve for x
    x = 36,225,857,232.54/161,749.80
  6. Step 6: Final answer
    x = 223,962.30

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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.