Home / 136,902.28-205,353.29-51,529.08

Finding the Fourth Proportional to 136,902.28, 205,353.29 and 51,529.08

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Solution

The fourth proportional to 136,902.28, 205,353.29 and 51,529.08 is: 77,293.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,902.28 : 205,353.29 = 51,529.08 : x
  2. Step 2: Convert to fraction form
    136,902.28/205,353.29 = 51,529.08/x
  3. Step 3: Cross multiply
    136,902.28x = 205,353.29 × 51,529.08
  4. Step 4: Simplify right side
    136,902.28x = 10,581,666,108.67
  5. Step 5: Solve for x
    x = 10,581,666,108.67/136,902.28
  6. Step 6: Final answer
    x = 77,293.57

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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.