Home / 123,206.80-170,056.37-69,522.79

Finding the Fourth Proportional to 123,206.80, 170,056.37 and 69,522.79

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Solution

The fourth proportional to 123,206.80, 170,056.37 and 69,522.79 is: 95,958.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,206.80 : 170,056.37 = 69,522.79 : x
  2. Step 2: Convert to fraction form
    123,206.80/170,056.37 = 69,522.79/x
  3. Step 3: Cross multiply
    123,206.80x = 170,056.37 × 69,522.79
  4. Step 4: Simplify right side
    123,206.80x = 11,822,793,299.67
  5. Step 5: Solve for x
    x = 11,822,793,299.67/123,206.80
  6. Step 6: Final answer
    x = 95,958.93

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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.