Home / 100,269.27-138,367.53-59,959.26

Finding the Fourth Proportional to 100,269.27, 138,367.53 and 59,959.26

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Solution

The fourth proportional to 100,269.27, 138,367.53 and 59,959.26 is: 82,741.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,269.27 : 138,367.53 = 59,959.26 : x
  2. Step 2: Convert to fraction form
    100,269.27/138,367.53 = 59,959.26/x
  3. Step 3: Cross multiply
    100,269.27x = 138,367.53 × 59,959.26
  4. Step 4: Simplify right side
    100,269.27x = 8,296,414,706.83
  5. Step 5: Solve for x
    x = 8,296,414,706.83/100,269.27
  6. Step 6: Final answer
    x = 82,741.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.