Home / 165,421.25-248,125.65-47,092.56

Finding the Fourth Proportional to 165,421.25, 248,125.65 and 47,092.56

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Solution

The fourth proportional to 165,421.25, 248,125.65 and 47,092.56 is: 70,637.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,421.25 : 248,125.65 = 47,092.56 : x
  2. Step 2: Convert to fraction form
    165,421.25/248,125.65 = 47,092.56/x
  3. Step 3: Cross multiply
    165,421.25x = 248,125.65 × 47,092.56
  4. Step 4: Simplify right side
    165,421.25x = 11,684,870,953.10
  5. Step 5: Solve for x
    x = 11,684,870,953.10/165,421.25
  6. Step 6: Final answer
    x = 70,637.06

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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.