Home / 122,314.90-168,803.81-67,877.37

Finding the Fourth Proportional to 122,314.90, 168,803.81 and 67,877.37

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Solution

The fourth proportional to 122,314.90, 168,803.81 and 67,877.37 is: 93,675.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,314.90 : 168,803.81 = 67,877.37 : x
  2. Step 2: Convert to fraction form
    122,314.90/168,803.81 = 67,877.37/x
  3. Step 3: Cross multiply
    122,314.90x = 168,803.81 × 67,877.37
  4. Step 4: Simplify right side
    122,314.90x = 11,457,958,668.78
  5. Step 5: Solve for x
    x = 11,457,958,668.78/122,314.90
  6. Step 6: Final answer
    x = 93,675.90

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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.