Home / 159,087.76-219,535.50-87,467.23

Finding the Fourth Proportional to 159,087.76, 219,535.50 and 87,467.23

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Solution

The fourth proportional to 159,087.76, 219,535.50 and 87,467.23 is: 120,701.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,087.76 : 219,535.50 = 87,467.23 : x
  2. Step 2: Convert to fraction form
    159,087.76/219,535.50 = 87,467.23/x
  3. Step 3: Cross multiply
    159,087.76x = 219,535.50 × 87,467.23
  4. Step 4: Simplify right side
    159,087.76x = 19,202,162,071.67
  5. Step 5: Solve for x
    x = 19,202,162,071.67/159,087.76
  6. Step 6: Final answer
    x = 120,701.69

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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.