Home / 172,921.50-238,631.67-93,433.50

Finding the Fourth Proportional to 172,921.50, 238,631.67 and 93,433.50

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Solution

The fourth proportional to 172,921.50, 238,631.67 and 93,433.50 is: 128,938.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,921.50 : 238,631.67 = 93,433.50 : x
  2. Step 2: Convert to fraction form
    172,921.50/238,631.67 = 93,433.50/x
  3. Step 3: Cross multiply
    172,921.50x = 238,631.67 × 93,433.50
  4. Step 4: Simplify right side
    172,921.50x = 22,296,192,138.95
  5. Step 5: Solve for x
    x = 22,296,192,138.95/172,921.50
  6. Step 6: Final answer
    x = 128,938.23

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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.