Home / 149,407.34-224,242.48-78,380.73

Finding the Fourth Proportional to 149,407.34, 224,242.48 and 78,380.73

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Solution

The fourth proportional to 149,407.34, 224,242.48 and 78,380.73 is: 117,640.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,407.34 : 224,242.48 = 78,380.73 : x
  2. Step 2: Convert to fraction form
    149,407.34/224,242.48 = 78,380.73/x
  3. Step 3: Cross multiply
    149,407.34x = 224,242.48 × 78,380.73
  4. Step 4: Simplify right side
    149,407.34x = 17,576,287,990.47
  5. Step 5: Solve for x
    x = 17,576,287,990.47/149,407.34
  6. Step 6: Final answer
    x = 117,640.06

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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.