Home / 126,463.70-174,555.09-72,766.01

Finding the Fourth Proportional to 126,463.70, 174,555.09 and 72,766.01

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Solution

The fourth proportional to 126,463.70, 174,555.09 and 72,766.01 is: 100,437.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,463.70 : 174,555.09 = 72,766.01 : x
  2. Step 2: Convert to fraction form
    126,463.70/174,555.09 = 72,766.01/x
  3. Step 3: Cross multiply
    126,463.70x = 174,555.09 × 72,766.01
  4. Step 4: Simplify right side
    126,463.70x = 12,701,677,860.88
  5. Step 5: Solve for x
    x = 12,701,677,860.88/126,463.70
  6. Step 6: Final answer
    x = 100,437.34

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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.