Home / 145,862.82-201,319.56-92,120.94

Finding the Fourth Proportional to 145,862.82, 201,319.56 and 92,120.94

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Solution

The fourth proportional to 145,862.82, 201,319.56 and 92,120.94 is: 127,145.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,862.82 : 201,319.56 = 92,120.94 : x
  2. Step 2: Convert to fraction form
    145,862.82/201,319.56 = 92,120.94/x
  3. Step 3: Cross multiply
    145,862.82x = 201,319.56 × 92,120.94
  4. Step 4: Simplify right side
    145,862.82x = 18,545,747,107.59
  5. Step 5: Solve for x
    x = 18,545,747,107.59/145,862.82
  6. Step 6: Final answer
    x = 127,145.13

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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.