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Finding the Fourth Proportional to 169,130.32, 233,402.60 and 92,648.08

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Solution

The fourth proportional to 169,130.32, 233,402.60 and 92,648.08 is: 127,855.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,130.32 : 233,402.60 = 92,648.08 : x
  2. Step 2: Convert to fraction form
    169,130.32/233,402.60 = 92,648.08/x
  3. Step 3: Cross multiply
    169,130.32x = 233,402.60 × 92,648.08
  4. Step 4: Simplify right side
    169,130.32x = 21,624,302,757.01
  5. Step 5: Solve for x
    x = 21,624,302,757.01/169,130.32
  6. Step 6: Final answer
    x = 127,855.86

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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.