Home / 126,444.93-174,493.84-72,728.56

Finding the Fourth Proportional to 126,444.93, 174,493.84 and 72,728.56

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Solution

The fourth proportional to 126,444.93, 174,493.84 and 72,728.56 is: 100,365.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,444.93 : 174,493.84 = 72,728.56 : x
  2. Step 2: Convert to fraction form
    126,444.93/174,493.84 = 72,728.56/x
  3. Step 3: Cross multiply
    126,444.93x = 174,493.84 × 72,728.56
  4. Step 4: Simplify right side
    126,444.93x = 12,690,685,712.07
  5. Step 5: Solve for x
    x = 12,690,685,712.07/126,444.93
  6. Step 6: Final answer
    x = 100,365.32

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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.