Home / 147,724.56-221,587.92-54,230.40

Finding the Fourth Proportional to 147,724.56, 221,587.92 and 54,230.40

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Solution

The fourth proportional to 147,724.56, 221,587.92 and 54,230.40 is: 81,346.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,724.56 : 221,587.92 = 54,230.40 : x
  2. Step 2: Convert to fraction form
    147,724.56/221,587.92 = 54,230.40/x
  3. Step 3: Cross multiply
    147,724.56x = 221,587.92 × 54,230.40
  4. Step 4: Simplify right side
    147,724.56x = 12,016,801,536.77
  5. Step 5: Solve for x
    x = 12,016,801,536.77/147,724.56
  6. Step 6: Final answer
    x = 81,346.00

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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.