Home / 123,496.05-170,425.35-66,907.43

Finding the Fourth Proportional to 123,496.05, 170,425.35 and 66,907.43

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Solution

The fourth proportional to 123,496.05, 170,425.35 and 66,907.43 is: 92,332.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,496.05 : 170,425.35 = 66,907.43 : x
  2. Step 2: Convert to fraction form
    123,496.05/170,425.35 = 66,907.43/x
  3. Step 3: Cross multiply
    123,496.05x = 170,425.35 × 66,907.43
  4. Step 4: Simplify right side
    123,496.05x = 11,402,720,988.69
  5. Step 5: Solve for x
    x = 11,402,720,988.69/123,496.05
  6. Step 6: Final answer
    x = 92,332.68

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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.