Home / 159,073.67-219,516.06-87,453.17

Finding the Fourth Proportional to 159,073.67, 219,516.06 and 87,453.17

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Solution

The fourth proportional to 159,073.67, 219,516.06 and 87,453.17 is: 120,682.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,073.67 : 219,516.06 = 87,453.17 : x
  2. Step 2: Convert to fraction form
    159,073.67/219,516.06 = 87,453.17/x
  3. Step 3: Cross multiply
    159,073.67x = 219,516.06 × 87,453.17
  4. Step 4: Simplify right side
    159,073.67x = 19,197,374,215.33
  5. Step 5: Solve for x
    x = 19,197,374,215.33/159,073.67
  6. Step 6: Final answer
    x = 120,682.29

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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.