Home / 125,007.21-172,511.33-71,295.39

Finding the Fourth Proportional to 125,007.21, 172,511.33 and 71,295.39

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Solution

The fourth proportional to 125,007.21, 172,511.33 and 71,295.39 is: 98,388.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,007.21 : 172,511.33 = 71,295.39 : x
  2. Step 2: Convert to fraction form
    125,007.21/172,511.33 = 71,295.39/x
  3. Step 3: Cross multiply
    125,007.21x = 172,511.33 × 71,295.39
  4. Step 4: Simplify right side
    125,007.21x = 12,299,262,195.29
  5. Step 5: Solve for x
    x = 12,299,262,195.29/125,007.21
  6. Step 6: Final answer
    x = 98,388.42

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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.