Home / 160,835.52-221,952.20-89,214.80

Finding the Fourth Proportional to 160,835.52, 221,952.20 and 89,214.80

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Solution

The fourth proportional to 160,835.52, 221,952.20 and 89,214.80 is: 123,115.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,835.52 : 221,952.20 = 89,214.80 : x
  2. Step 2: Convert to fraction form
    160,835.52/221,952.20 = 89,214.80/x
  3. Step 3: Cross multiply
    160,835.52x = 221,952.20 × 89,214.80
  4. Step 4: Simplify right side
    160,835.52x = 19,801,421,132.56
  5. Step 5: Solve for x
    x = 19,801,421,132.56/160,835.52
  6. Step 6: Final answer
    x = 123,115.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.