Home / 126,133.40-174,065.45-68,772.25

Finding the Fourth Proportional to 126,133.40, 174,065.45 and 68,772.25

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Solution

The fourth proportional to 126,133.40, 174,065.45 and 68,772.25 is: 94,906.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,133.40 : 174,065.45 = 68,772.25 : x
  2. Step 2: Convert to fraction form
    126,133.40/174,065.45 = 68,772.25/x
  3. Step 3: Cross multiply
    126,133.40x = 174,065.45 × 68,772.25
  4. Step 4: Simplify right side
    126,133.40x = 11,970,872,643.76
  5. Step 5: Solve for x
    x = 11,970,872,643.76/126,133.40
  6. Step 6: Final answer
    x = 94,906.45

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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.