Home / 247,110.95-340,999.77-139,674.58

Finding the Fourth Proportional to 247,110.95, 340,999.77 and 139,674.58

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Solution

The fourth proportional to 247,110.95, 340,999.77 and 139,674.58 is: 192,743.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,110.95 : 340,999.77 = 139,674.58 : x
  2. Step 2: Convert to fraction form
    247,110.95/340,999.77 = 139,674.58/x
  3. Step 3: Cross multiply
    247,110.95x = 340,999.77 × 139,674.58
  4. Step 4: Simplify right side
    247,110.95x = 47,628,999,326.13
  5. Step 5: Solve for x
    x = 47,628,999,326.13/247,110.95
  6. Step 6: Final answer
    x = 192,743.38

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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.