Home / 124,700.28-172,087.23-68,111.64

Finding the Fourth Proportional to 124,700.28, 172,087.23 and 68,111.64

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Solution

The fourth proportional to 124,700.28, 172,087.23 and 68,111.64 is: 93,994.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,700.28 : 172,087.23 = 68,111.64 : x
  2. Step 2: Convert to fraction form
    124,700.28/172,087.23 = 68,111.64/x
  3. Step 3: Cross multiply
    124,700.28x = 172,087.23 × 68,111.64
  4. Step 4: Simplify right side
    124,700.28x = 11,721,143,458.36
  5. Step 5: Solve for x
    x = 11,721,143,458.36/124,700.28
  6. Step 6: Final answer
    x = 93,994.52

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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.