Home / 126,725.50-174,878.49-69,364.81

Finding the Fourth Proportional to 126,725.50, 174,878.49 and 69,364.81

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Solution

The fourth proportional to 126,725.50, 174,878.49 and 69,364.81 is: 95,721.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,725.50 : 174,878.49 = 69,364.81 : x
  2. Step 2: Convert to fraction form
    126,725.50/174,878.49 = 69,364.81/x
  3. Step 3: Cross multiply
    126,725.50x = 174,878.49 × 69,364.81
  4. Step 4: Simplify right side
    126,725.50x = 12,130,413,231.94
  5. Step 5: Solve for x
    x = 12,130,413,231.94/126,725.50
  6. Step 6: Final answer
    x = 95,721.96

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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.