Home / 112,589.28-168,901.20-38,700

Finding the Fourth Proportional to 112,589.28, 168,901.20 and 38,700

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Solution

The fourth proportional to 112,589.28, 168,901.20 and 38,700 is: 58,055.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,589.28 : 168,901.20 = 38,700 : x
  2. Step 2: Convert to fraction form
    112,589.28/168,901.20 = 38,700/x
  3. Step 3: Cross multiply
    112,589.28x = 168,901.20 × 38,700
  4. Step 4: Simplify right side
    112,589.28x = 6,536,476,440
  5. Step 5: Solve for x
    x = 6,536,476,440/112,589.28
  6. Step 6: Final answer
    x = 58,055.94

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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.