Home / 116,887.80-175,331.70-67,121.40

Finding the Fourth Proportional to 116,887.80, 175,331.70 and 67,121.40

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Solution

The fourth proportional to 116,887.80, 175,331.70 and 67,121.40 is: 100,682.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,887.80 : 175,331.70 = 67,121.40 : x
  2. Step 2: Convert to fraction form
    116,887.80/175,331.70 = 67,121.40/x
  3. Step 3: Cross multiply
    116,887.80x = 175,331.70 × 67,121.40
  4. Step 4: Simplify right side
    116,887.80x = 11,768,509,168.38
  5. Step 5: Solve for x
    x = 11,768,509,168.38/116,887.80
  6. Step 6: Final answer
    x = 100,682.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.