Home / 147,430.80-221,146.20-63,231.30

Finding the Fourth Proportional to 147,430.80, 221,146.20 and 63,231.30

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Solution

The fourth proportional to 147,430.80, 221,146.20 and 63,231.30 is: 94,846.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,430.80 : 221,146.20 = 63,231.30 : x
  2. Step 2: Convert to fraction form
    147,430.80/221,146.20 = 63,231.30/x
  3. Step 3: Cross multiply
    147,430.80x = 221,146.20 × 63,231.30
  4. Step 4: Simplify right side
    147,430.80x = 13,983,361,716.06
  5. Step 5: Solve for x
    x = 13,983,361,716.06/147,430.80
  6. Step 6: Final answer
    x = 94,846.95

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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.