Home / 147,725.56-221,589.42-54,231.40

Finding the Fourth Proportional to 147,725.56, 221,589.42 and 54,231.40

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Solution

The fourth proportional to 147,725.56, 221,589.42 and 54,231.40 is: 81,347.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,725.56 : 221,589.42 = 54,231.40 : x
  2. Step 2: Convert to fraction form
    147,725.56/221,589.42 = 54,231.40/x
  3. Step 3: Cross multiply
    147,725.56x = 221,589.42 × 54,231.40
  4. Step 4: Simplify right side
    147,725.56x = 12,017,104,471.79
  5. Step 5: Solve for x
    x = 12,017,104,471.79/147,725.56
  6. Step 6: Final answer
    x = 81,347.50

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1.5x scale

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.