Home / 160,439.13-240,622.25-71,644.50

Finding the Fourth Proportional to 160,439.13, 240,622.25 and 71,644.50

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Solution

The fourth proportional to 160,439.13, 240,622.25 and 71,644.50 is: 107,450.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,439.13 : 240,622.25 = 71,644.50 : x
  2. Step 2: Convert to fraction form
    160,439.13/240,622.25 = 71,644.50/x
  3. Step 3: Cross multiply
    160,439.13x = 240,622.25 × 71,644.50
  4. Step 4: Simplify right side
    160,439.13x = 17,239,260,431.90
  5. Step 5: Solve for x
    x = 17,239,260,431.90/160,439.13
  6. Step 6: Final answer
    x = 107,450.47

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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.