Home / 113,286.67-156,332.30-62,299.35

Finding the Fourth Proportional to 113,286.67, 156,332.30 and 62,299.35

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Solution

The fourth proportional to 113,286.67, 156,332.30 and 62,299.35 is: 85,971.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,286.67 : 156,332.30 = 62,299.35 : x
  2. Step 2: Convert to fraction form
    113,286.67/156,332.30 = 62,299.35/x
  3. Step 3: Cross multiply
    113,286.67x = 156,332.30 × 62,299.35
  4. Step 4: Simplify right side
    113,286.67x = 9,739,400,674.01
  5. Step 5: Solve for x
    x = 9,739,400,674.01/113,286.67
  6. Step 6: Final answer
    x = 85,971.29

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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.