Home / 92,238.60-138,357.93-71,209.35

Finding the Fourth Proportional to 92,238.60, 138,357.93 and 71,209.35

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Solution

The fourth proportional to 92,238.60, 138,357.93 and 71,209.35 is: 106,814.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,238.60 : 138,357.93 = 71,209.35 : x
  2. Step 2: Convert to fraction form
    92,238.60/138,357.93 = 71,209.35/x
  3. Step 3: Cross multiply
    92,238.60x = 138,357.93 × 71,209.35
  4. Step 4: Simplify right side
    92,238.60x = 9,852,378,262.65
  5. Step 5: Solve for x
    x = 9,852,378,262.65/92,238.60
  6. Step 6: Final answer
    x = 106,814.05

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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.