Home / 135,058.32-186,406.26-89,037.20

Finding the Fourth Proportional to 135,058.32, 186,406.26 and 89,037.20

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Solution

The fourth proportional to 135,058.32, 186,406.26 and 89,037.20 is: 122,888.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,058.32 : 186,406.26 = 89,037.20 : x
  2. Step 2: Convert to fraction form
    135,058.32/186,406.26 = 89,037.20/x
  3. Step 3: Cross multiply
    135,058.32x = 186,406.26 × 89,037.20
  4. Step 4: Simplify right side
    135,058.32x = 16,597,091,452.87
  5. Step 5: Solve for x
    x = 16,597,091,452.87/135,058.32
  6. Step 6: Final answer
    x = 122,888.33

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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.