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Finding the Fourth Proportional to 157,073.94, 235,609.81 and 63,578.34

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Solution

The fourth proportional to 157,073.94, 235,609.81 and 63,578.34 is: 95,367.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,073.94 : 235,609.81 = 63,578.34 : x
  2. Step 2: Convert to fraction form
    157,073.94/235,609.81 = 63,578.34/x
  3. Step 3: Cross multiply
    157,073.94x = 235,609.81 × 63,578.34
  4. Step 4: Simplify right side
    157,073.94x = 14,979,680,607.52
  5. Step 5: Solve for x
    x = 14,979,680,607.52/157,073.94
  6. Step 6: Final answer
    x = 95,367.06

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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.