Home / 172,360.19-237,759.89-103,431.80

Finding the Fourth Proportional to 172,360.19, 237,759.89 and 103,431.80

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Solution

The fourth proportional to 172,360.19, 237,759.89 and 103,431.80 is: 142,677.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,360.19 : 237,759.89 = 103,431.80 : x
  2. Step 2: Convert to fraction form
    172,360.19/237,759.89 = 103,431.80/x
  3. Step 3: Cross multiply
    172,360.19x = 237,759.89 × 103,431.80
  4. Step 4: Simplify right side
    172,360.19x = 24,591,932,873.34
  5. Step 5: Solve for x
    x = 24,591,932,873.34/172,360.19
  6. Step 6: Final answer
    x = 142,677.57

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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.