Home / 135,902.26-187,547.66-75,478.57

Finding the Fourth Proportional to 135,902.26, 187,547.66 and 75,478.57

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Solution

The fourth proportional to 135,902.26, 187,547.66 and 75,478.57 is: 104,161.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,902.26 : 187,547.66 = 75,478.57 : x
  2. Step 2: Convert to fraction form
    135,902.26/187,547.66 = 75,478.57/x
  3. Step 3: Cross multiply
    135,902.26x = 187,547.66 × 75,478.57
  4. Step 4: Simplify right side
    135,902.26x = 14,155,827,868.52
  5. Step 5: Solve for x
    x = 14,155,827,868.52/135,902.26
  6. Step 6: Final answer
    x = 104,161.83

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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.