Home / 187,067.54-280,695.18-87,235.58

Finding the Fourth Proportional to 187,067.54, 280,695.18 and 87,235.58

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Solution

The fourth proportional to 187,067.54, 280,695.18 and 87,235.58 is: 130,897.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,067.54 : 280,695.18 = 87,235.58 : x
  2. Step 2: Convert to fraction form
    187,067.54/280,695.18 = 87,235.58/x
  3. Step 3: Cross multiply
    187,067.54x = 280,695.18 × 87,235.58
  4. Step 4: Simplify right side
    187,067.54x = 24,486,606,830.50
  5. Step 5: Solve for x
    x = 24,486,606,830.50/187,067.54
  6. Step 6: Final answer
    x = 130,897.14

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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.