Home / 126,133.90-174,066.15-68,772.75

Finding the Fourth Proportional to 126,133.90, 174,066.15 and 68,772.75

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Solution

The fourth proportional to 126,133.90, 174,066.15 and 68,772.75 is: 94,907.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,133.90 : 174,066.15 = 68,772.75 : x
  2. Step 2: Convert to fraction form
    126,133.90/174,066.15 = 68,772.75/x
  3. Step 3: Cross multiply
    126,133.90x = 174,066.15 × 68,772.75
  4. Step 4: Simplify right side
    126,133.90x = 11,971,007,817.41
  5. Step 5: Solve for x
    x = 11,971,007,817.41/126,133.90
  6. Step 6: Final answer
    x = 94,907.14

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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.