Home / 101,904.48-140,377.05-86,748.57

Finding the Fourth Proportional to 101,904.48, 140,377.05 and 86,748.57

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Solution

The fourth proportional to 101,904.48, 140,377.05 and 86,748.57 is: 119,499.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,904.48 : 140,377.05 = 86,748.57 : x
  2. Step 2: Convert to fraction form
    101,904.48/140,377.05 = 86,748.57/x
  3. Step 3: Cross multiply
    101,904.48x = 140,377.05 × 86,748.57
  4. Step 4: Simplify right side
    101,904.48x = 12,177,508,348.32
  5. Step 5: Solve for x
    x = 12,177,508,348.32/101,904.48
  6. Step 6: Final answer
    x = 119,499.24

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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.