Home / 160,077.55-240,107.67-81,189.73

Finding the Fourth Proportional to 160,077.55, 240,107.67 and 81,189.73

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Solution

The fourth proportional to 160,077.55, 240,107.67 and 81,189.73 is: 121,780.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,077.55 : 240,107.67 = 81,189.73 : x
  2. Step 2: Convert to fraction form
    160,077.55/240,107.67 = 81,189.73/x
  3. Step 3: Cross multiply
    160,077.55x = 240,107.67 × 81,189.73
  4. Step 4: Simplify right side
    160,077.55x = 19,494,276,898.23
  5. Step 5: Solve for x
    x = 19,494,276,898.23/160,077.55
  6. Step 6: Final answer
    x = 121,780.21

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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.