Home / 142,746.28-214,143.74-49,230.12

Finding the Fourth Proportional to 142,746.28, 214,143.74 and 49,230.12

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Solution

The fourth proportional to 142,746.28, 214,143.74 and 49,230.12 is: 73,853.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,746.28 : 214,143.74 = 49,230.12 : x
  2. Step 2: Convert to fraction form
    142,746.28/214,143.74 = 49,230.12/x
  3. Step 3: Cross multiply
    142,746.28x = 214,143.74 × 49,230.12
  4. Step 4: Simplify right side
    142,746.28x = 10,542,322,017.45
  5. Step 5: Solve for x
    x = 10,542,322,017.45/142,746.28
  6. Step 6: Final answer
    x = 73,853.57

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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.