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Finding the Fourth Proportional to 163,997.88, 226,320.93 and 92,376.87

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Solution

The fourth proportional to 163,997.88, 226,320.93 and 92,376.87 is: 127,482.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,997.88 : 226,320.93 = 92,376.87 : x
  2. Step 2: Convert to fraction form
    163,997.88/226,320.93 = 92,376.87/x
  3. Step 3: Cross multiply
    163,997.88x = 226,320.93 × 92,376.87
  4. Step 4: Simplify right side
    163,997.88x = 20,906,819,128.89
  5. Step 5: Solve for x
    x = 20,906,819,128.89/163,997.88
  6. Step 6: Final answer
    x = 127,482.25

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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.