Home / 158,851.56-219,216.67-87,233.08

Finding the Fourth Proportional to 158,851.56, 219,216.67 and 87,233.08

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Solution

The fourth proportional to 158,851.56, 219,216.67 and 87,233.08 is: 120,382.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,851.56 : 219,216.67 = 87,233.08 : x
  2. Step 2: Convert to fraction form
    158,851.56/219,216.67 = 87,233.08/x
  3. Step 3: Cross multiply
    158,851.56x = 219,216.67 × 87,233.08
  4. Step 4: Simplify right side
    158,851.56x = 19,122,945,311.44
  5. Step 5: Solve for x
    x = 19,122,945,311.44/158,851.56
  6. Step 6: Final answer
    x = 120,382.48

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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.