Home / 189,214.08-261,160.92-113,748

Finding the Fourth Proportional to 189,214.08, 261,160.92 and 113,748

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Solution

The fourth proportional to 189,214.08, 261,160.92 and 113,748 is: 156,999.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,214.08 : 261,160.92 = 113,748 : x
  2. Step 2: Convert to fraction form
    189,214.08/261,160.92 = 113,748/x
  3. Step 3: Cross multiply
    189,214.08x = 261,160.92 × 113,748
  4. Step 4: Simplify right side
    189,214.08x = 29,706,532,328.16
  5. Step 5: Solve for x
    x = 29,706,532,328.16/189,214.08
  6. Step 6: Final answer
    x = 156,999.59

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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.