Home / 103,108.50-142,268.13-60,671.70

Finding the Fourth Proportional to 103,108.50, 142,268.13 and 60,671.70

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Solution

The fourth proportional to 103,108.50, 142,268.13 and 60,671.70 is: 83,714.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,108.50 : 142,268.13 = 60,671.70 : x
  2. Step 2: Convert to fraction form
    103,108.50/142,268.13 = 60,671.70/x
  3. Step 3: Cross multiply
    103,108.50x = 142,268.13 × 60,671.70
  4. Step 4: Simplify right side
    103,108.50x = 8,631,649,302.92
  5. Step 5: Solve for x
    x = 8,631,649,302.92/103,108.50
  6. Step 6: Final answer
    x = 83,714.24

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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.