Home / 113,133.88-156,119.70-67,836.85

Finding the Fourth Proportional to 113,133.88, 156,119.70 and 67,836.85

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Solution

The fourth proportional to 113,133.88, 156,119.70 and 67,836.85 is: 93,611.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,133.88 : 156,119.70 = 67,836.85 : x
  2. Step 2: Convert to fraction form
    113,133.88/156,119.70 = 67,836.85/x
  3. Step 3: Cross multiply
    113,133.88x = 156,119.70 × 67,836.85
  4. Step 4: Simplify right side
    113,133.88x = 10,590,668,670.95
  5. Step 5: Solve for x
    x = 10,590,668,670.95/113,133.88
  6. Step 6: Final answer
    x = 93,611.82

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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.