Home / 126,513.46-174,588.24-72,065.62

Finding the Fourth Proportional to 126,513.46, 174,588.24 and 72,065.62

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Solution

The fourth proportional to 126,513.46, 174,588.24 and 72,065.62 is: 99,450.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,513.46 : 174,588.24 = 72,065.62 : x
  2. Step 2: Convert to fraction form
    126,513.46/174,588.24 = 72,065.62/x
  3. Step 3: Cross multiply
    126,513.46x = 174,588.24 × 72,065.62
  4. Step 4: Simplify right side
    126,513.46x = 12,581,809,760.31
  5. Step 5: Solve for x
    x = 12,581,809,760.31/126,513.46
  6. Step 6: Final answer
    x = 99,450.36

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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.