Home / 105,209.25-145,169.49-59,884.59

Finding the Fourth Proportional to 105,209.25, 145,169.49 and 59,884.59

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Solution

The fourth proportional to 105,209.25, 145,169.49 and 59,884.59 is: 82,629.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,209.25 : 145,169.49 = 59,884.59 : x
  2. Step 2: Convert to fraction form
    105,209.25/145,169.49 = 59,884.59/x
  3. Step 3: Cross multiply
    105,209.25x = 145,169.49 × 59,884.59
  4. Step 4: Simplify right side
    105,209.25x = 8,693,415,389.16
  5. Step 5: Solve for x
    x = 8,693,415,389.16/105,209.25
  6. Step 6: Final answer
    x = 82,629.76

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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.