Home / 158,825.06-219,182.12-87,205.37

Finding the Fourth Proportional to 158,825.06, 219,182.12 and 87,205.37

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Solution

The fourth proportional to 158,825.06, 219,182.12 and 87,205.37 is: 120,345.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,825.06 : 219,182.12 = 87,205.37 : x
  2. Step 2: Convert to fraction form
    158,825.06/219,182.12 = 87,205.37/x
  3. Step 3: Cross multiply
    158,825.06x = 219,182.12 × 87,205.37
  4. Step 4: Simplify right side
    158,825.06x = 19,113,856,340.05
  5. Step 5: Solve for x
    x = 19,113,856,340.05/158,825.06
  6. Step 6: Final answer
    x = 120,345.34

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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.