Home / 102,826.60-154,470.30-98,628.20

Finding the Fourth Proportional to 102,826.60, 154,470.30 and 98,628.20

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Solution

The fourth proportional to 102,826.60, 154,470.30 and 98,628.20 is: 148,163.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,826.60 : 154,470.30 = 98,628.20 : x
  2. Step 2: Convert to fraction form
    102,826.60/154,470.30 = 98,628.20/x
  3. Step 3: Cross multiply
    102,826.60x = 154,470.30 × 98,628.20
  4. Step 4: Simplify right side
    102,826.60x = 15,235,127,642.46
  5. Step 5: Solve for x
    x = 15,235,127,642.46/102,826.60
  6. Step 6: Final answer
    x = 148,163.29

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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.