Home / 147,504.12-221,234.31-53,988

Finding the Fourth Proportional to 147,504.12, 221,234.31 and 53,988

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Solution

The fourth proportional to 147,504.12, 221,234.31 and 53,988 is: 80,974.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,504.12 : 221,234.31 = 53,988 : x
  2. Step 2: Convert to fraction form
    147,504.12/221,234.31 = 53,988/x
  3. Step 3: Cross multiply
    147,504.12x = 221,234.31 × 53,988
  4. Step 4: Simplify right side
    147,504.12x = 11,943,997,928.28
  5. Step 5: Solve for x
    x = 11,943,997,928.28/147,504.12
  6. Step 6: Final answer
    x = 80,974.00

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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.