Home / 134,235.90-201,123.45-87,464.70

Finding the Fourth Proportional to 134,235.90, 201,123.45 and 87,464.70

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Solution

The fourth proportional to 134,235.90, 201,123.45 and 87,464.70 is: 131,046.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,235.90 : 201,123.45 = 87,464.70 : x
  2. Step 2: Convert to fraction form
    134,235.90/201,123.45 = 87,464.70/x
  3. Step 3: Cross multiply
    134,235.90x = 201,123.45 × 87,464.70
  4. Step 4: Simplify right side
    134,235.90x = 17,591,202,217.22
  5. Step 5: Solve for x
    x = 17,591,202,217.22/134,235.90
  6. Step 6: Final answer
    x = 131,046.93

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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.