Home / 147,647.40-221,471.10-102,546.60

Finding the Fourth Proportional to 147,647.40, 221,471.10 and 102,546.60

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Solution

The fourth proportional to 147,647.40, 221,471.10 and 102,546.60 is: 153,819.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,647.40 : 221,471.10 = 102,546.60 : x
  2. Step 2: Convert to fraction form
    147,647.40/221,471.10 = 102,546.60/x
  3. Step 3: Cross multiply
    147,647.40x = 221,471.10 × 102,546.60
  4. Step 4: Simplify right side
    147,647.40x = 22,711,108,303.26
  5. Step 5: Solve for x
    x = 22,711,108,303.26/147,647.40
  6. Step 6: Final answer
    x = 153,819.90

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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.