Home / 151,176.33-208,601.33-90,734.13

Finding the Fourth Proportional to 151,176.33, 208,601.33 and 90,734.13

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Solution

The fourth proportional to 151,176.33, 208,601.33 and 90,734.13 is: 125,199.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,176.33 : 208,601.33 = 90,734.13 : x
  2. Step 2: Convert to fraction form
    151,176.33/208,601.33 = 90,734.13/x
  3. Step 3: Cross multiply
    151,176.33x = 208,601.33 × 90,734.13
  4. Step 4: Simplify right side
    151,176.33x = 18,927,259,740.72
  5. Step 5: Solve for x
    x = 18,927,259,740.72/151,176.33
  6. Step 6: Final answer
    x = 125,199.89

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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.