Home / 124,808.04-172,235.18-68,219.41

Finding the Fourth Proportional to 124,808.04, 172,235.18 and 68,219.41

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Solution

The fourth proportional to 124,808.04, 172,235.18 and 68,219.41 is: 94,142.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,808.04 : 172,235.18 = 68,219.41 : x
  2. Step 2: Convert to fraction form
    124,808.04/172,235.18 = 68,219.41/x
  3. Step 3: Cross multiply
    124,808.04x = 172,235.18 × 68,219.41
  4. Step 4: Simplify right side
    124,808.04x = 11,749,782,360.84
  5. Step 5: Solve for x
    x = 11,749,782,360.84/124,808.04
  6. Step 6: Final answer
    x = 94,142.83

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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.