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Finding the Fourth Proportional to 170,203.76, 234,876.94 and 93,722.24

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Solution

The fourth proportional to 170,203.76, 234,876.94 and 93,722.24 is: 129,334.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,203.76 : 234,876.94 = 93,722.24 : x
  2. Step 2: Convert to fraction form
    170,203.76/234,876.94 = 93,722.24/x
  3. Step 3: Cross multiply
    170,203.76x = 234,876.94 × 93,722.24
  4. Step 4: Simplify right side
    170,203.76x = 22,013,192,941.15
  5. Step 5: Solve for x
    x = 22,013,192,941.15/170,203.76
  6. Step 6: Final answer
    x = 129,334.35

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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.