Home / 123,448.72-170,359.48-66,860.12

Finding the Fourth Proportional to 123,448.72, 170,359.48 and 66,860.12

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Solution

The fourth proportional to 123,448.72, 170,359.48 and 66,860.12 is: 92,267.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,448.72 : 170,359.48 = 66,860.12 : x
  2. Step 2: Convert to fraction form
    123,448.72/170,359.48 = 66,860.12/x
  3. Step 3: Cross multiply
    123,448.72x = 170,359.48 × 66,860.12
  4. Step 4: Simplify right side
    123,448.72x = 11,390,255,275.94
  5. Step 5: Solve for x
    x = 11,390,255,275.94/123,448.72
  6. Step 6: Final answer
    x = 92,267.10

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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.