Home / 86,119.28-129,109.21-26,924.48

Finding the Fourth Proportional to 86,119.28, 129,109.21 and 26,924.48

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Solution

The fourth proportional to 86,119.28, 129,109.21 and 26,924.48 is: 40,364.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,119.28 : 129,109.21 = 26,924.48 : x
  2. Step 2: Convert to fraction form
    86,119.28/129,109.21 = 26,924.48/x
  3. Step 3: Cross multiply
    86,119.28x = 129,109.21 × 26,924.48
  4. Step 4: Simplify right side
    86,119.28x = 3,476,198,342.46
  5. Step 5: Solve for x
    x = 3,476,198,342.46/86,119.28
  6. Step 6: Final answer
    x = 40,364.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.