Home / 125,108.31-172,653.62-68,522.79

Finding the Fourth Proportional to 125,108.31, 172,653.62 and 68,522.79

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Solution

The fourth proportional to 125,108.31, 172,653.62 and 68,522.79 is: 94,563.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,108.31 : 172,653.62 = 68,522.79 : x
  2. Step 2: Convert to fraction form
    125,108.31/172,653.62 = 68,522.79/x
  3. Step 3: Cross multiply
    125,108.31x = 172,653.62 × 68,522.79
  4. Step 4: Simplify right side
    125,108.31x = 11,830,707,746.00
  5. Step 5: Solve for x
    x = 11,830,707,746.00/125,108.31
  6. Step 6: Final answer
    x = 94,563.72

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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.