Home / 142,130.20-213,195.30-141,093.40

Finding the Fourth Proportional to 142,130.20, 213,195.30 and 141,093.40

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Solution

The fourth proportional to 142,130.20, 213,195.30 and 141,093.40 is: 211,640.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,130.20 : 213,195.30 = 141,093.40 : x
  2. Step 2: Convert to fraction form
    142,130.20/213,195.30 = 141,093.40/x
  3. Step 3: Cross multiply
    142,130.20x = 213,195.30 × 141,093.40
  4. Step 4: Simplify right side
    142,130.20x = 30,080,449,741.02
  5. Step 5: Solve for x
    x = 30,080,449,741.02/142,130.20
  6. Step 6: Final answer
    x = 211,640.10

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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.