Home / 137,538.99-205,377.27-109,140.24

Finding the Fourth Proportional to 137,538.99, 205,377.27 and 109,140.24

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Solution

The fourth proportional to 137,538.99, 205,377.27 and 109,140.24 is: 162,971.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,538.99 : 205,377.27 = 109,140.24 : x
  2. Step 2: Convert to fraction form
    137,538.99/205,377.27 = 109,140.24/x
  3. Step 3: Cross multiply
    137,538.99x = 205,377.27 × 109,140.24
  4. Step 4: Simplify right side
    137,538.99x = 22,414,924,538.34
  5. Step 5: Solve for x
    x = 22,414,924,538.34/137,538.99
  6. Step 6: Final answer
    x = 162,971.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.