Home / 157,579.43-217,458.81-85,958.82

Finding the Fourth Proportional to 157,579.43, 217,458.81 and 85,958.82

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Solution

The fourth proportional to 157,579.43, 217,458.81 and 85,958.82 is: 118,622.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,579.43 : 217,458.81 = 85,958.82 : x
  2. Step 2: Convert to fraction form
    157,579.43/217,458.81 = 85,958.82/x
  3. Step 3: Cross multiply
    157,579.43x = 217,458.81 × 85,958.82
  4. Step 4: Simplify right side
    157,579.43x = 18,692,502,706.20
  5. Step 5: Solve for x
    x = 18,692,502,706.20/157,579.43
  6. Step 6: Final answer
    x = 118,622.74

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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.