Home / 134,622.40-201,931.80-41,128.60

Finding the Fourth Proportional to 134,622.40, 201,931.80 and 41,128.60

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Solution

The fourth proportional to 134,622.40, 201,931.80 and 41,128.60 is: 61,692.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,622.40 : 201,931.80 = 41,128.60 : x
  2. Step 2: Convert to fraction form
    134,622.40/201,931.80 = 41,128.60/x
  3. Step 3: Cross multiply
    134,622.40x = 201,931.80 × 41,128.60
  4. Step 4: Simplify right side
    134,622.40x = 8,305,172,229.48
  5. Step 5: Solve for x
    x = 8,305,172,229.48/134,622.40
  6. Step 6: Final answer
    x = 61,692.35

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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.