Home / 125,293.86-172,913.40-68,705.24

Finding the Fourth Proportional to 125,293.86, 172,913.40 and 68,705.24

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Solution

The fourth proportional to 125,293.86, 172,913.40 and 68,705.24 is: 94,817.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,293.86 : 172,913.40 = 68,705.24 : x
  2. Step 2: Convert to fraction form
    125,293.86/172,913.40 = 68,705.24/x
  3. Step 3: Cross multiply
    125,293.86x = 172,913.40 × 68,705.24
  4. Step 4: Simplify right side
    125,293.86x = 11,880,055,781.65
  5. Step 5: Solve for x
    x = 11,880,055,781.65/125,293.86
  6. Step 6: Final answer
    x = 94,817.54

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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.