Home / 124,714.70-172,103.49-68,126.30

Finding the Fourth Proportional to 124,714.70, 172,103.49 and 68,126.30

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Solution

The fourth proportional to 124,714.70, 172,103.49 and 68,126.30 is: 94,012.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,714.70 : 172,103.49 = 68,126.30 : x
  2. Step 2: Convert to fraction form
    124,714.70/172,103.49 = 68,126.30/x
  3. Step 3: Cross multiply
    124,714.70x = 172,103.49 × 68,126.30
  4. Step 4: Simplify right side
    124,714.70x = 11,724,773,990.79
  5. Step 5: Solve for x
    x = 11,724,773,990.79/124,714.70
  6. Step 6: Final answer
    x = 94,012.77

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1.5x scale

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.