Home / 126,381.78-174,407.70-69,019.62

Finding the Fourth Proportional to 126,381.78, 174,407.70 and 69,019.62

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Solution

The fourth proportional to 126,381.78, 174,407.70 and 69,019.62 is: 95,247.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,381.78 : 174,407.70 = 69,019.62 : x
  2. Step 2: Convert to fraction form
    126,381.78/174,407.70 = 69,019.62/x
  3. Step 3: Cross multiply
    126,381.78x = 174,407.70 × 69,019.62
  4. Step 4: Simplify right side
    126,381.78x = 12,037,553,179.07
  5. Step 5: Solve for x
    x = 12,037,553,179.07/126,381.78
  6. Step 6: Final answer
    x = 95,247.54

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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.