Home / 126,552.89-174,637.46-72,839.63

Finding the Fourth Proportional to 126,552.89, 174,637.46 and 72,839.63

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Solution

The fourth proportional to 126,552.89, 174,637.46 and 72,839.63 is: 100,515.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,552.89 : 174,637.46 = 72,839.63 : x
  2. Step 2: Convert to fraction form
    126,552.89/174,637.46 = 72,839.63/x
  3. Step 3: Cross multiply
    126,552.89x = 174,637.46 × 72,839.63
  4. Step 4: Simplify right side
    126,552.89x = 12,720,527,606.34
  5. Step 5: Solve for x
    x = 12,720,527,606.34/126,552.89
  6. Step 6: Final answer
    x = 100,515.50

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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.