Home / 126,147.88-174,082.81-68,787.06

Finding the Fourth Proportional to 126,147.88, 174,082.81 and 68,787.06

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Solution

The fourth proportional to 126,147.88, 174,082.81 and 68,787.06 is: 94,925.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,147.88 : 174,082.81 = 68,787.06 : x
  2. Step 2: Convert to fraction form
    126,147.88/174,082.81 = 68,787.06/x
  3. Step 3: Cross multiply
    126,147.88x = 174,082.81 × 68,787.06
  4. Step 4: Simplify right side
    126,147.88x = 11,974,644,352.50
  5. Step 5: Solve for x
    x = 11,974,644,352.50/126,147.88
  6. Step 6: Final answer
    x = 94,925.45

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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.