Home / 103,326.36-142,590.30-58,004.43

Finding the Fourth Proportional to 103,326.36, 142,590.30 and 58,004.43

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Solution

The fourth proportional to 103,326.36, 142,590.30 and 58,004.43 is: 80,046.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,326.36 : 142,590.30 = 58,004.43 : x
  2. Step 2: Convert to fraction form
    103,326.36/142,590.30 = 58,004.43/x
  3. Step 3: Cross multiply
    103,326.36x = 142,590.30 × 58,004.43
  4. Step 4: Simplify right side
    103,326.36x = 8,270,868,217.07
  5. Step 5: Solve for x
    x = 8,270,868,217.07/103,326.36
  6. Step 6: Final answer
    x = 80,046.07

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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.