Home / 126,233.89-174,218.20-72,518.81

Finding the Fourth Proportional to 126,233.89, 174,218.20 and 72,518.81

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Solution

The fourth proportional to 126,233.89, 174,218.20 and 72,518.81 is: 100,084.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,233.89 : 174,218.20 = 72,518.81 : x
  2. Step 2: Convert to fraction form
    126,233.89/174,218.20 = 72,518.81/x
  3. Step 3: Cross multiply
    126,233.89x = 174,218.20 × 72,518.81
  4. Step 4: Simplify right side
    126,233.89x = 12,634,095,491.95
  5. Step 5: Solve for x
    x = 12,634,095,491.95/126,233.89
  6. Step 6: Final answer
    x = 100,084.82

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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.