Home / 142,039.44-213,098.04-42,197.76

Finding the Fourth Proportional to 142,039.44, 213,098.04 and 42,197.76

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Solution

The fourth proportional to 142,039.44, 213,098.04 and 42,197.76 is: 63,308.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,039.44 : 213,098.04 = 42,197.76 : x
  2. Step 2: Convert to fraction form
    142,039.44/213,098.04 = 42,197.76/x
  3. Step 3: Cross multiply
    142,039.44x = 213,098.04 × 42,197.76
  4. Step 4: Simplify right side
    142,039.44x = 8,992,259,948.39
  5. Step 5: Solve for x
    x = 8,992,259,948.39/142,039.44
  6. Step 6: Final answer
    x = 63,308.19

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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.