Home / 142,150.32-213,354.45-75,646.44

Finding the Fourth Proportional to 142,150.32, 213,354.45 and 75,646.44

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Solution

The fourth proportional to 142,150.32, 213,354.45 and 75,646.44 is: 113,538.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,150.32 : 213,354.45 = 75,646.44 : x
  2. Step 2: Convert to fraction form
    142,150.32/213,354.45 = 75,646.44/x
  3. Step 3: Cross multiply
    142,150.32x = 213,354.45 × 75,646.44
  4. Step 4: Simplify right side
    142,150.32x = 16,139,504,600.66
  5. Step 5: Solve for x
    x = 16,139,504,600.66/142,150.32
  6. Step 6: Final answer
    x = 113,538.29

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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.