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Finding the Fourth Proportional to 170,888.64, 256,110.00 and 123,662.80

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Solution

The fourth proportional to 170,888.64, 256,110.00 and 123,662.80 is: 185,332.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,888.64 : 256,110.00 = 123,662.80 : x
  2. Step 2: Convert to fraction form
    170,888.64/256,110.00 = 123,662.80/x
  3. Step 3: Cross multiply
    170,888.64x = 256,110.00 × 123,662.80
  4. Step 4: Simplify right side
    170,888.64x = 31,671,280,260.01
  5. Step 5: Solve for x
    x = 31,671,280,260.01/170,888.64
  6. Step 6: Final answer
    x = 185,332.86

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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.