Home / 145,204.31-200,295.08-91,395.91

Finding the Fourth Proportional to 145,204.31, 200,295.08 and 91,395.91

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Solution

The fourth proportional to 145,204.31, 200,295.08 and 91,395.91 is: 126,071.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,204.31 : 200,295.08 = 91,395.91 : x
  2. Step 2: Convert to fraction form
    145,204.31/200,295.08 = 91,395.91/x
  3. Step 3: Cross multiply
    145,204.31x = 200,295.08 × 91,395.91
  4. Step 4: Simplify right side
    145,204.31x = 18,306,151,241.25
  5. Step 5: Solve for x
    x = 18,306,151,241.25/145,204.31
  6. Step 6: Final answer
    x = 126,071.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.