Home / 136,021.60-187,703.76-75,596.48

Finding the Fourth Proportional to 136,021.60, 187,703.76 and 75,596.48

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Solution

The fourth proportional to 136,021.60, 187,703.76 and 75,596.48 is: 104,319.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,021.60 : 187,703.76 = 75,596.48 : x
  2. Step 2: Convert to fraction form
    136,021.60/187,703.76 = 75,596.48/x
  3. Step 3: Cross multiply
    136,021.60x = 187,703.76 × 75,596.48
  4. Step 4: Simplify right side
    136,021.60x = 14,189,743,538.76
  5. Step 5: Solve for x
    x = 14,189,743,538.76/136,021.60
  6. Step 6: Final answer
    x = 104,319.78

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1.5x scale

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.