Home / 124,855.84-172,301.28-68,267.20

Finding the Fourth Proportional to 124,855.84, 172,301.28 and 68,267.20

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Solution

The fourth proportional to 124,855.84, 172,301.28 and 68,267.20 is: 94,208.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,855.84 : 172,301.28 = 68,267.20 : x
  2. Step 2: Convert to fraction form
    124,855.84/172,301.28 = 68,267.20/x
  3. Step 3: Cross multiply
    124,855.84x = 172,301.28 × 68,267.20
  4. Step 4: Simplify right side
    124,855.84x = 11,762,525,942.02
  5. Step 5: Solve for x
    x = 11,762,525,942.02/124,855.84
  6. Step 6: Final answer
    x = 94,208.86

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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.