Home / 145,044.31-217,567.96-43,843.20

Finding the Fourth Proportional to 145,044.31, 217,567.96 and 43,843.20

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Solution

The fourth proportional to 145,044.31, 217,567.96 and 43,843.20 is: 65,765.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,044.31 : 217,567.96 = 43,843.20 : x
  2. Step 2: Convert to fraction form
    145,044.31/217,567.96 = 43,843.20/x
  3. Step 3: Cross multiply
    145,044.31x = 217,567.96 × 43,843.20
  4. Step 4: Simplify right side
    145,044.31x = 9,538,875,455.26
  5. Step 5: Solve for x
    x = 9,538,875,455.26/145,044.31
  6. Step 6: Final answer
    x = 65,765.25

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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.