Home / 87,203.32-120,352.80-50,916.64

Finding the Fourth Proportional to 87,203.32, 120,352.80 and 50,916.64

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Solution

The fourth proportional to 87,203.32, 120,352.80 and 50,916.64 is: 70,272.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,203.32 : 120,352.80 = 50,916.64 : x
  2. Step 2: Convert to fraction form
    87,203.32/120,352.80 = 50,916.64/x
  3. Step 3: Cross multiply
    87,203.32x = 120,352.80 × 50,916.64
  4. Step 4: Simplify right side
    87,203.32x = 6,127,960,190.59
  5. Step 5: Solve for x
    x = 6,127,960,190.59/87,203.32
  6. Step 6: Final answer
    x = 70,272.10

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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.