Home / 126,576.39-174,667.50-69,987.81

Finding the Fourth Proportional to 126,576.39, 174,667.50 and 69,987.81

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Solution

The fourth proportional to 126,576.39, 174,667.50 and 69,987.81 is: 96,578.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,576.39 : 174,667.50 = 69,987.81 : x
  2. Step 2: Convert to fraction form
    126,576.39/174,667.50 = 69,987.81/x
  3. Step 3: Cross multiply
    126,576.39x = 174,667.50 × 69,987.81
  4. Step 4: Simplify right side
    126,576.39x = 12,224,595,803.18
  5. Step 5: Solve for x
    x = 12,224,595,803.18/126,576.39
  6. Step 6: Final answer
    x = 96,578.80

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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.