Home / 105,248.28-157,870.14-34,170.78

Finding the Fourth Proportional to 105,248.28, 157,870.14 and 34,170.78

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Solution

The fourth proportional to 105,248.28, 157,870.14 and 34,170.78 is: 51,255.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,248.28 : 157,870.14 = 34,170.78 : x
  2. Step 2: Convert to fraction form
    105,248.28/157,870.14 = 34,170.78/x
  3. Step 3: Cross multiply
    105,248.28x = 157,870.14 × 34,170.78
  4. Step 4: Simplify right side
    105,248.28x = 5,394,545,822.51
  5. Step 5: Solve for x
    x = 5,394,545,822.51/105,248.28
  6. Step 6: Final answer
    x = 51,255.43

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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.