Home / 151,370.44-208,891.24-87,745.16

Finding the Fourth Proportional to 151,370.44, 208,891.24 and 87,745.16

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Solution

The fourth proportional to 151,370.44, 208,891.24 and 87,745.16 is: 121,088.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,370.44 : 208,891.24 = 87,745.16 : x
  2. Step 2: Convert to fraction form
    151,370.44/208,891.24 = 87,745.16/x
  3. Step 3: Cross multiply
    151,370.44x = 208,891.24 × 87,745.16
  4. Step 4: Simplify right side
    151,370.44x = 18,329,195,276.40
  5. Step 5: Solve for x
    x = 18,329,195,276.40/151,370.44
  6. Step 6: Final answer
    x = 121,088.34

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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.