Home / 126,361.08-174,378.89-69,001.61

Finding the Fourth Proportional to 126,361.08, 174,378.89 and 69,001.61

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Solution

The fourth proportional to 126,361.08, 174,378.89 and 69,001.61 is: 95,222.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,361.08 : 174,378.89 = 69,001.61 : x
  2. Step 2: Convert to fraction form
    126,361.08/174,378.89 = 69,001.61/x
  3. Step 3: Cross multiply
    126,361.08x = 174,378.89 × 69,001.61
  4. Step 4: Simplify right side
    126,361.08x = 12,032,423,460.62
  5. Step 5: Solve for x
    x = 12,032,423,460.62/126,361.08
  6. Step 6: Final answer
    x = 95,222.54

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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.