Home / 142,279.40-213,419.10-134,114.60

Finding the Fourth Proportional to 142,279.40, 213,419.10 and 134,114.60

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Solution

The fourth proportional to 142,279.40, 213,419.10 and 134,114.60 is: 201,171.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,279.40 : 213,419.10 = 134,114.60 : x
  2. Step 2: Convert to fraction form
    142,279.40/213,419.10 = 134,114.60/x
  3. Step 3: Cross multiply
    142,279.40x = 213,419.10 × 134,114.60
  4. Step 4: Simplify right side
    142,279.40x = 28,622,617,228.86
  5. Step 5: Solve for x
    x = 28,622,617,228.86/142,279.40
  6. Step 6: Final answer
    x = 201,171.90

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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.