Home / 134,467.90-201,701.85-87,228.70

Finding the Fourth Proportional to 134,467.90, 201,701.85 and 87,228.70

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Solution

The fourth proportional to 134,467.90, 201,701.85 and 87,228.70 is: 130,843.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,467.90 : 201,701.85 = 87,228.70 : x
  2. Step 2: Convert to fraction form
    134,467.90/201,701.85 = 87,228.70/x
  3. Step 3: Cross multiply
    134,467.90x = 201,701.85 × 87,228.70
  4. Step 4: Simplify right side
    134,467.90x = 17,594,190,163.10
  5. Step 5: Solve for x
    x = 17,594,190,163.10/134,467.90
  6. Step 6: Final answer
    x = 130,843.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.