Home / 159,767.79-221,411.60-157,512.75

Finding the Fourth Proportional to 159,767.79, 221,411.60 and 157,512.75

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Solution

The fourth proportional to 159,767.79, 221,411.60 and 157,512.75 is: 218,286.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,767.79 : 221,411.60 = 157,512.75 : x
  2. Step 2: Convert to fraction form
    159,767.79/221,411.60 = 157,512.75/x
  3. Step 3: Cross multiply
    159,767.79x = 221,411.60 × 157,512.75
  4. Step 4: Simplify right side
    159,767.79x = 34,875,149,210.34
  5. Step 5: Solve for x
    x = 34,875,149,210.34/159,767.79
  6. Step 6: Final answer
    x = 218,286.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.