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Finding the Fourth Proportional to 169,233.40, 254,141.70 and 90,501.40

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Solution

The fourth proportional to 169,233.40, 254,141.70 and 90,501.40 is: 135,908.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,233.40 : 254,141.70 = 90,501.40 : x
  2. Step 2: Convert to fraction form
    169,233.40/254,141.70 = 90,501.40/x
  3. Step 3: Cross multiply
    169,233.40x = 254,141.70 × 90,501.40
  4. Step 4: Simplify right side
    169,233.40x = 23,000,179,648.38
  5. Step 5: Solve for x
    x = 23,000,179,648.38/169,233.40
  6. Step 6: Final answer
    x = 135,908.04

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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.