Home / 123,342.55-170,204.49-69,617.07

Finding the Fourth Proportional to 123,342.55, 170,204.49 and 69,617.07

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Solution

The fourth proportional to 123,342.55, 170,204.49 and 69,617.07 is: 96,066.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,342.55 : 170,204.49 = 69,617.07 : x
  2. Step 2: Convert to fraction form
    123,342.55/170,204.49 = 69,617.07/x
  3. Step 3: Cross multiply
    123,342.55x = 170,204.49 × 69,617.07
  4. Step 4: Simplify right side
    123,342.55x = 11,849,137,894.64
  5. Step 5: Solve for x
    x = 11,849,137,894.64/123,342.55
  6. Step 6: Final answer
    x = 96,066.91

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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.