Home / 159,712.62-220,502.43-112,158.06

Finding the Fourth Proportional to 159,712.62, 220,502.43 and 112,158.06

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Solution

The fourth proportional to 159,712.62, 220,502.43 and 112,158.06 is: 154,847.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,712.62 : 220,502.43 = 112,158.06 : x
  2. Step 2: Convert to fraction form
    159,712.62/220,502.43 = 112,158.06/x
  3. Step 3: Cross multiply
    159,712.62x = 220,502.43 × 112,158.06
  4. Step 4: Simplify right side
    159,712.62x = 24,731,124,774.09
  5. Step 5: Solve for x
    x = 24,731,124,774.09/159,712.62
  6. Step 6: Final answer
    x = 154,847.66

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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.