Home / 63,143.22-87,152.61-36,301.31

Finding the Fourth Proportional to 63,143.22, 87,152.61 and 36,301.31

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Solution

The fourth proportional to 63,143.22, 87,152.61 and 36,301.31 is: 50,104.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,143.22 : 87,152.61 = 36,301.31 : x
  2. Step 2: Convert to fraction form
    63,143.22/87,152.61 = 36,301.31/x
  3. Step 3: Cross multiply
    63,143.22x = 87,152.61 × 36,301.31
  4. Step 4: Simplify right side
    63,143.22x = 3,163,754,226.15
  5. Step 5: Solve for x
    x = 3,163,754,226.15/63,143.22
  6. Step 6: Final answer
    x = 50,104.42

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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.