Home / 126,083.86-173,756.44-90,211.39

Finding the Fourth Proportional to 126,083.86, 173,756.44 and 90,211.39

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Solution

The fourth proportional to 126,083.86, 173,756.44 and 90,211.39 is: 124,320.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,083.86 : 173,756.44 = 90,211.39 : x
  2. Step 2: Convert to fraction form
    126,083.86/173,756.44 = 90,211.39/x
  3. Step 3: Cross multiply
    126,083.86x = 173,756.44 × 90,211.39
  4. Step 4: Simplify right side
    126,083.86x = 15,674,809,652.22
  5. Step 5: Solve for x
    x = 15,674,809,652.22/126,083.86
  6. Step 6: Final answer
    x = 124,320.51

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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.