Home / 145,132.75-200,305.07-88,576.93

Finding the Fourth Proportional to 145,132.75, 200,305.07 and 88,576.93

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Solution

The fourth proportional to 145,132.75, 200,305.07 and 88,576.93 is: 122,249.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,132.75 : 200,305.07 = 88,576.93 : x
  2. Step 2: Convert to fraction form
    145,132.75/200,305.07 = 88,576.93/x
  3. Step 3: Cross multiply
    145,132.75x = 200,305.07 × 88,576.93
  4. Step 4: Simplify right side
    145,132.75x = 17,742,408,164.04
  5. Step 5: Solve for x
    x = 17,742,408,164.04/145,132.75
  6. Step 6: Final answer
    x = 122,249.51

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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.