Home / 158,885.82-219,265.07-87,272.46

Finding the Fourth Proportional to 158,885.82, 219,265.07 and 87,272.46

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Solution

The fourth proportional to 158,885.82, 219,265.07 and 87,272.46 is: 120,437.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,885.82 : 219,265.07 = 87,272.46 : x
  2. Step 2: Convert to fraction form
    158,885.82/219,265.07 = 87,272.46/x
  3. Step 3: Cross multiply
    158,885.82x = 219,265.07 × 87,272.46
  4. Step 4: Simplify right side
    158,885.82x = 19,135,802,050.97
  5. Step 5: Solve for x
    x = 19,135,802,050.97/158,885.82
  6. Step 6: Final answer
    x = 120,437.44

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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.