Home / 142,730.81-214,099.70-47,962.36

Finding the Fourth Proportional to 142,730.81, 214,099.70 and 47,962.36

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Solution

The fourth proportional to 142,730.81, 214,099.70 and 47,962.36 is: 71,944.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,730.81 : 214,099.70 = 47,962.36 : x
  2. Step 2: Convert to fraction form
    142,730.81/214,099.70 = 47,962.36/x
  3. Step 3: Cross multiply
    142,730.81x = 214,099.70 × 47,962.36
  4. Step 4: Simplify right side
    142,730.81x = 10,268,726,112.23
  5. Step 5: Solve for x
    x = 10,268,726,112.23/142,730.81
  6. Step 6: Final answer
    x = 71,944.71

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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.