Home / 87,338.07-131,034.80-31,176.95

Finding the Fourth Proportional to 87,338.07, 131,034.80 and 31,176.95

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Solution

The fourth proportional to 87,338.07, 131,034.80 and 31,176.95 is: 46,775.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,338.07 : 131,034.80 = 31,176.95 : x
  2. Step 2: Convert to fraction form
    87,338.07/131,034.80 = 31,176.95/x
  3. Step 3: Cross multiply
    87,338.07x = 131,034.80 × 31,176.95
  4. Step 4: Simplify right side
    87,338.07x = 4,085,264,830.63
  5. Step 5: Solve for x
    x = 4,085,264,830.63/87,338.07
  6. Step 6: Final answer
    x = 46,775.30

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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.