Home / 126,015.75-173,901.74-69,430.77

Finding the Fourth Proportional to 126,015.75, 173,901.74 and 69,430.77

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Solution

The fourth proportional to 126,015.75, 173,901.74 and 69,430.77 is: 95,814.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,015.75 : 173,901.74 = 69,430.77 : x
  2. Step 2: Convert to fraction form
    126,015.75/173,901.74 = 69,430.77/x
  3. Step 3: Cross multiply
    126,015.75x = 173,901.74 × 69,430.77
  4. Step 4: Simplify right side
    126,015.75x = 12,074,131,365.39
  5. Step 5: Solve for x
    x = 12,074,131,365.39/126,015.75
  6. Step 6: Final answer
    x = 95,814.46

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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.