Home / 247,215.22-341,163.69-139,801.25

Finding the Fourth Proportional to 247,215.22, 341,163.69 and 139,801.25

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Solution

The fourth proportional to 247,215.22, 341,163.69 and 139,801.25 is: 192,929.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,215.22 : 341,163.69 = 139,801.25 : x
  2. Step 2: Convert to fraction form
    247,215.22/341,163.69 = 139,801.25/x
  3. Step 3: Cross multiply
    247,215.22x = 341,163.69 × 139,801.25
  4. Step 4: Simplify right side
    247,215.22x = 47,695,110,316.61
  5. Step 5: Solve for x
    x = 47,695,110,316.61/247,215.22
  6. Step 6: Final answer
    x = 192,929.51

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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.