Home / 113,271.71-156,318.96-62,288.30

Finding the Fourth Proportional to 113,271.71, 156,318.96 and 62,288.30

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Solution

The fourth proportional to 113,271.71, 156,318.96 and 62,288.30 is: 85,960.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,271.71 : 156,318.96 = 62,288.30 : x
  2. Step 2: Convert to fraction form
    113,271.71/156,318.96 = 62,288.30/x
  3. Step 3: Cross multiply
    113,271.71x = 156,318.96 × 62,288.30
  4. Step 4: Simplify right side
    113,271.71x = 9,736,841,494.57
  5. Step 5: Solve for x
    x = 9,736,841,494.57/113,271.71
  6. Step 6: Final answer
    x = 85,960.05

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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.