Home / 126,401.94-174,293.01-103,360.14

Finding the Fourth Proportional to 126,401.94, 174,293.01 and 103,360.14

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Solution

The fourth proportional to 126,401.94, 174,293.01 and 103,360.14 is: 142,521.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,401.94 : 174,293.01 = 103,360.14 : x
  2. Step 2: Convert to fraction form
    126,401.94/174,293.01 = 103,360.14/x
  3. Step 3: Cross multiply
    126,401.94x = 174,293.01 × 103,360.14
  4. Step 4: Simplify right side
    126,401.94x = 18,014,949,914.62
  5. Step 5: Solve for x
    x = 18,014,949,914.62/126,401.94
  6. Step 6: Final answer
    x = 142,521.15

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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.