Home / 105,236.80-157,756.78-38,659.05

Finding the Fourth Proportional to 105,236.80, 157,756.78 and 38,659.05

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Solution

The fourth proportional to 105,236.80, 157,756.78 and 38,659.05 is: 57,952.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,236.80 : 157,756.78 = 38,659.05 : x
  2. Step 2: Convert to fraction form
    105,236.80/157,756.78 = 38,659.05/x
  3. Step 3: Cross multiply
    105,236.80x = 157,756.78 × 38,659.05
  4. Step 4: Simplify right side
    105,236.80x = 6,098,727,294.18
  5. Step 5: Solve for x
    x = 6,098,727,294.18/105,236.80
  6. Step 6: Final answer
    x = 57,952.42

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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.