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Finding the Fourth Proportional to 101,674.74, 140,279.06 and 58,648.46

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Solution

The fourth proportional to 101,674.74, 140,279.06 and 58,648.46 is: 80,916.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,674.74 : 140,279.06 = 58,648.46 : x
  2. Step 2: Convert to fraction form
    101,674.74/140,279.06 = 58,648.46/x
  3. Step 3: Cross multiply
    101,674.74x = 140,279.06 × 58,648.46
  4. Step 4: Simplify right side
    101,674.74x = 8,227,149,844.61
  5. Step 5: Solve for x
    x = 8,227,149,844.61/101,674.74
  6. Step 6: Final answer
    x = 80,916.36

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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.