Home / 160,432.74-221,396.30-87,842.22

Finding the Fourth Proportional to 160,432.74, 221,396.30 and 87,842.22

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Solution

The fourth proportional to 160,432.74, 221,396.30 and 87,842.22 is: 121,221.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,432.74 : 221,396.30 = 87,842.22 : x
  2. Step 2: Convert to fraction form
    160,432.74/221,396.30 = 87,842.22/x
  3. Step 3: Cross multiply
    160,432.74x = 221,396.30 × 87,842.22
  4. Step 4: Simplify right side
    160,432.74x = 19,447,942,491.79
  5. Step 5: Solve for x
    x = 19,447,942,491.79/160,432.74
  6. Step 6: Final answer
    x = 121,221.78

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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.