Home / 165,624.20-248,417.10-47,313.80

Finding the Fourth Proportional to 165,624.20, 248,417.10 and 47,313.80

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Solution

The fourth proportional to 165,624.20, 248,417.10 and 47,313.80 is: 70,965.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,624.20 : 248,417.10 = 47,313.80 : x
  2. Step 2: Convert to fraction form
    165,624.20/248,417.10 = 47,313.80/x
  3. Step 3: Cross multiply
    165,624.20x = 248,417.10 × 47,313.80
  4. Step 4: Simplify right side
    165,624.20x = 11,753,556,985.98
  5. Step 5: Solve for x
    x = 11,753,556,985.98/165,624.20
  6. Step 6: Final answer
    x = 70,965.22

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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.