Home / 145,344.62-200,673.43-129,983.44

Finding the Fourth Proportional to 145,344.62, 200,673.43 and 129,983.44

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Solution

The fourth proportional to 145,344.62, 200,673.43 and 129,983.44 is: 179,464.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,344.62 : 200,673.43 = 129,983.44 : x
  2. Step 2: Convert to fraction form
    145,344.62/200,673.43 = 129,983.44/x
  3. Step 3: Cross multiply
    145,344.62x = 200,673.43 × 129,983.44
  4. Step 4: Simplify right side
    145,344.62x = 26,084,222,748.00
  5. Step 5: Solve for x
    x = 26,084,222,748.00/145,344.62
  6. Step 6: Final answer
    x = 179,464.66

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1.5x scale

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.