Home / 147,912.70-221,739.45-88,771.90

Finding the Fourth Proportional to 147,912.70, 221,739.45 and 88,771.90

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Solution

The fourth proportional to 147,912.70, 221,739.45 and 88,771.90 is: 133,080.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,912.70 : 221,739.45 = 88,771.90 : x
  2. Step 2: Convert to fraction form
    147,912.70/221,739.45 = 88,771.90/x
  3. Step 3: Cross multiply
    147,912.70x = 221,739.45 × 88,771.90
  4. Step 4: Simplify right side
    147,912.70x = 19,684,232,281.46
  5. Step 5: Solve for x
    x = 19,684,232,281.46/147,912.70
  6. Step 6: Final answer
    x = 133,080.07

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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.