Home / 158,725.85-219,045.26-87,110.44

Finding the Fourth Proportional to 158,725.85, 219,045.26 and 87,110.44

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Solution

The fourth proportional to 158,725.85, 219,045.26 and 87,110.44 is: 120,214.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,725.85 : 219,045.26 = 87,110.44 : x
  2. Step 2: Convert to fraction form
    158,725.85/219,045.26 = 87,110.44/x
  3. Step 3: Cross multiply
    158,725.85x = 219,045.26 × 87,110.44
  4. Step 4: Simplify right side
    158,725.85x = 19,081,128,648.68
  5. Step 5: Solve for x
    x = 19,081,128,648.68/158,725.85
  6. Step 6: Final answer
    x = 120,214.38

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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.