Home / 165,270.79-247,886.19-45,337.50

Finding the Fourth Proportional to 165,270.79, 247,886.19 and 45,337.50

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Solution

The fourth proportional to 165,270.79, 247,886.19 and 45,337.50 is: 68,000.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,270.79 : 247,886.19 = 45,337.50 : x
  2. Step 2: Convert to fraction form
    165,270.79/247,886.19 = 45,337.50/x
  3. Step 3: Cross multiply
    165,270.79x = 247,886.19 × 45,337.50
  4. Step 4: Simplify right side
    165,270.79x = 11,238,540,139.13
  5. Step 5: Solve for x
    x = 11,238,540,139.13/165,270.79
  6. Step 6: Final answer
    x = 68,000.76

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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.