Home / 123,448.20-170,356.50-66,859.08

Finding the Fourth Proportional to 123,448.20, 170,356.50 and 66,859.08

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Solution

The fourth proportional to 123,448.20, 170,356.50 and 66,859.08 is: 92,264.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,448.20 : 170,356.50 = 66,859.08 : x
  2. Step 2: Convert to fraction form
    123,448.20/170,356.50 = 66,859.08/x
  3. Step 3: Cross multiply
    123,448.20x = 170,356.50 × 66,859.08
  4. Step 4: Simplify right side
    123,448.20x = 11,389,878,862.02
  5. Step 5: Solve for x
    x = 11,389,878,862.02/123,448.20
  6. Step 6: Final answer
    x = 92,264.44

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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.