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Finding the Fourth Proportional to 170,155.32, 234,822.08 and 94,708.68

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Solution

The fourth proportional to 170,155.32, 234,822.08 and 94,708.68 is: 130,702.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,155.32 : 234,822.08 = 94,708.68 : x
  2. Step 2: Convert to fraction form
    170,155.32/234,822.08 = 94,708.68/x
  3. Step 3: Cross multiply
    170,155.32x = 234,822.08 × 94,708.68
  4. Step 4: Simplify right side
    170,155.32x = 22,239,689,231.65
  5. Step 5: Solve for x
    x = 22,239,689,231.65/170,155.32
  6. Step 6: Final answer
    x = 130,702.29

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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.