Home / 151,622.28-209,313.72-117,553.68

Finding the Fourth Proportional to 151,622.28, 209,313.72 and 117,553.68

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Solution

The fourth proportional to 151,622.28, 209,313.72 and 117,553.68 is: 162,282.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,622.28 : 209,313.72 = 117,553.68 : x
  2. Step 2: Convert to fraction form
    151,622.28/209,313.72 = 117,553.68/x
  3. Step 3: Cross multiply
    151,622.28x = 209,313.72 × 117,553.68
  4. Step 4: Simplify right side
    151,622.28x = 24,605,598,060.49
  5. Step 5: Solve for x
    x = 24,605,598,060.49/151,622.28
  6. Step 6: Final answer
    x = 162,282.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.