Home / 122,437.12-168,950.24-68,728.04

Finding the Fourth Proportional to 122,437.12, 168,950.24 and 68,728.04

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Solution

The fourth proportional to 122,437.12, 168,950.24 and 68,728.04 is: 94,837.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,437.12 : 168,950.24 = 68,728.04 : x
  2. Step 2: Convert to fraction form
    122,437.12/168,950.24 = 68,728.04/x
  3. Step 3: Cross multiply
    122,437.12x = 168,950.24 × 68,728.04
  4. Step 4: Simplify right side
    122,437.12x = 11,611,618,509.09
  5. Step 5: Solve for x
    x = 11,611,618,509.09/122,437.12
  6. Step 6: Final answer
    x = 94,837.41

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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.