Home / 160,685.42-221,719.82-100,246.46

Finding the Fourth Proportional to 160,685.42, 221,719.82 and 100,246.46

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Solution

The fourth proportional to 160,685.42, 221,719.82 and 100,246.46 is: 138,323.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,685.42 : 221,719.82 = 100,246.46 : x
  2. Step 2: Convert to fraction form
    160,685.42/221,719.82 = 100,246.46/x
  3. Step 3: Cross multiply
    160,685.42x = 221,719.82 × 100,246.46
  4. Step 4: Simplify right side
    160,685.42x = 22,226,627,066.84
  5. Step 5: Solve for x
    x = 22,226,627,066.84/160,685.42
  6. Step 6: Final answer
    x = 138,323.86

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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.