Home / 147,939.62-221,887.56-54,423.50

Finding the Fourth Proportional to 147,939.62, 221,887.56 and 54,423.50

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Solution

The fourth proportional to 147,939.62, 221,887.56 and 54,423.50 is: 81,627.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,939.62 : 221,887.56 = 54,423.50 : x
  2. Step 2: Convert to fraction form
    147,939.62/221,887.56 = 54,423.50/x
  3. Step 3: Cross multiply
    147,939.62x = 221,887.56 × 54,423.50
  4. Step 4: Simplify right side
    147,939.62x = 12,075,897,621.66
  5. Step 5: Solve for x
    x = 12,075,897,621.66/147,939.62
  6. Step 6: Final answer
    x = 81,627.20

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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.