Home / 145,142.99-200,262.27-84,679.12

Finding the Fourth Proportional to 145,142.99, 200,262.27 and 84,679.12

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Solution

The fourth proportional to 145,142.99, 200,262.27 and 84,679.12 is: 116,836.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,142.99 : 200,262.27 = 84,679.12 : x
  2. Step 2: Convert to fraction form
    145,142.99/200,262.27 = 84,679.12/x
  3. Step 3: Cross multiply
    145,142.99x = 200,262.27 × 84,679.12
  4. Step 4: Simplify right side
    145,142.99x = 16,958,032,792.80
  5. Step 5: Solve for x
    x = 16,958,032,792.80/145,142.99
  6. Step 6: Final answer
    x = 116,836.73

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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.