Home / 123,325.69-170,189.88-66,737.05

Finding the Fourth Proportional to 123,325.69, 170,189.88 and 66,737.05

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Solution

The fourth proportional to 123,325.69, 170,189.88 and 66,737.05 is: 92,097.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,325.69 : 170,189.88 = 66,737.05 : x
  2. Step 2: Convert to fraction form
    123,325.69/170,189.88 = 66,737.05/x
  3. Step 3: Cross multiply
    123,325.69x = 170,189.88 × 66,737.05
  4. Step 4: Simplify right side
    123,325.69x = 11,357,970,531.05
  5. Step 5: Solve for x
    x = 11,357,970,531.05/123,325.69
  6. Step 6: Final answer
    x = 92,097.36

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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.