Home / 147,704.20-221,426.70-88,563.40

Finding the Fourth Proportional to 147,704.20, 221,426.70 and 88,563.40

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Solution

The fourth proportional to 147,704.20, 221,426.70 and 88,563.40 is: 132,767.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,704.20 : 221,426.70 = 88,563.40 : x
  2. Step 2: Convert to fraction form
    147,704.20/221,426.70 = 88,563.40/x
  3. Step 3: Cross multiply
    147,704.20x = 221,426.70 × 88,563.40
  4. Step 4: Simplify right side
    147,704.20x = 19,610,301,402.78
  5. Step 5: Solve for x
    x = 19,610,301,402.78/147,704.20
  6. Step 6: Final answer
    x = 132,767.39

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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.