Home / 126,109.55-174,025.78-68,747.51

Finding the Fourth Proportional to 126,109.55, 174,025.78 and 68,747.51

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Solution

The fourth proportional to 126,109.55, 174,025.78 and 68,747.51 is: 94,868.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,109.55 : 174,025.78 = 68,747.51 : x
  2. Step 2: Convert to fraction form
    126,109.55/174,025.78 = 68,747.51/x
  3. Step 3: Cross multiply
    126,109.55x = 174,025.78 × 68,747.51
  4. Step 4: Simplify right side
    126,109.55x = 11,963,838,008.81
  5. Step 5: Solve for x
    x = 11,963,838,008.81/126,109.55
  6. Step 6: Final answer
    x = 94,868.62

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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.