Home / 157,488.72-235,965.78-95,028

Finding the Fourth Proportional to 157,488.72, 235,965.78 and 95,028

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Solution

The fourth proportional to 157,488.72, 235,965.78 and 95,028 is: 142,380.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,488.72 : 235,965.78 = 95,028 : x
  2. Step 2: Convert to fraction form
    157,488.72/235,965.78 = 95,028/x
  3. Step 3: Cross multiply
    157,488.72x = 235,965.78 × 95,028
  4. Step 4: Simplify right side
    157,488.72x = 22,423,356,141.84
  5. Step 5: Solve for x
    x = 22,423,356,141.84/157,488.72
  6. Step 6: Final answer
    x = 142,380.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.