Home / 147,620.20-221,430.30-97,756.60

Finding the Fourth Proportional to 147,620.20, 221,430.30 and 97,756.60

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Solution

The fourth proportional to 147,620.20, 221,430.30 and 97,756.60 is: 146,634.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,620.20 : 221,430.30 = 97,756.60 : x
  2. Step 2: Convert to fraction form
    147,620.20/221,430.30 = 97,756.60/x
  3. Step 3: Cross multiply
    147,620.20x = 221,430.30 × 97,756.60
  4. Step 4: Simplify right side
    147,620.20x = 21,646,273,264.98
  5. Step 5: Solve for x
    x = 21,646,273,264.98/147,620.20
  6. Step 6: Final answer
    x = 146,634.90

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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.