Home / 158,761.88-219,094.22-87,148.56

Finding the Fourth Proportional to 158,761.88, 219,094.22 and 87,148.56

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Solution

The fourth proportional to 158,761.88, 219,094.22 and 87,148.56 is: 120,266.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,761.88 : 219,094.22 = 87,148.56 : x
  2. Step 2: Convert to fraction form
    158,761.88/219,094.22 = 87,148.56/x
  3. Step 3: Cross multiply
    158,761.88x = 219,094.22 × 87,148.56
  4. Step 4: Simplify right side
    158,761.88x = 19,093,745,777.32
  5. Step 5: Solve for x
    x = 19,093,745,777.32/158,761.88
  6. Step 6: Final answer
    x = 120,266.56

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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.