Home / 236,147.81-354,046.74-142,631.69

Finding the Fourth Proportional to 236,147.81, 354,046.74 and 142,631.69

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Solution

The fourth proportional to 236,147.81, 354,046.74 and 142,631.69 is: 213,841.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,147.81 : 354,046.74 = 142,631.69 : x
  2. Step 2: Convert to fraction form
    236,147.81/354,046.74 = 142,631.69/x
  3. Step 3: Cross multiply
    236,147.81x = 354,046.74 × 142,631.69
  4. Step 4: Simplify right side
    236,147.81x = 50,498,283,094.96
  5. Step 5: Solve for x
    x = 50,498,283,094.96/236,147.81
  6. Step 6: Final answer
    x = 213,841.85

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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.