Home / 87,208.36-130,827.12-34,618.30

Finding the Fourth Proportional to 87,208.36, 130,827.12 and 34,618.30

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Solution

The fourth proportional to 87,208.36, 130,827.12 and 34,618.30 is: 51,933.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,208.36 : 130,827.12 = 34,618.30 : x
  2. Step 2: Convert to fraction form
    87,208.36/130,827.12 = 34,618.30/x
  3. Step 3: Cross multiply
    87,208.36x = 130,827.12 × 34,618.30
  4. Step 4: Simplify right side
    87,208.36x = 4,529,012,488.30
  5. Step 5: Solve for x
    x = 4,529,012,488.30/87,208.36
  6. Step 6: Final answer
    x = 51,933.24

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1.5x scale

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.