Home / 130,924.28-180,822.66-88,409

Finding the Fourth Proportional to 130,924.28, 180,822.66 and 88,409

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Solution

The fourth proportional to 130,924.28, 180,822.66 and 88,409 is: 122,103.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,924.28 : 180,822.66 = 88,409 : x
  2. Step 2: Convert to fraction form
    130,924.28/180,822.66 = 88,409/x
  3. Step 3: Cross multiply
    130,924.28x = 180,822.66 × 88,409
  4. Step 4: Simplify right side
    130,924.28x = 15,986,350,547.94
  5. Step 5: Solve for x
    x = 15,986,350,547.94/130,924.28
  6. Step 6: Final answer
    x = 122,103.79

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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.