Home / 136,409.03-188,248.95-75,151.97

Finding the Fourth Proportional to 136,409.03, 188,248.95 and 75,151.97

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Solution

The fourth proportional to 136,409.03, 188,248.95 and 75,151.97 is: 103,712.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,409.03 : 188,248.95 = 75,151.97 : x
  2. Step 2: Convert to fraction form
    136,409.03/188,248.95 = 75,151.97/x
  3. Step 3: Cross multiply
    136,409.03x = 188,248.95 × 75,151.97
  4. Step 4: Simplify right side
    136,409.03x = 14,147,278,501.69
  5. Step 5: Solve for x
    x = 14,147,278,501.69/136,409.03
  6. Step 6: Final answer
    x = 103,712.19

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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.