Home / 143,182.80-197,613.81-103,029.48

Finding the Fourth Proportional to 143,182.80, 197,613.81 and 103,029.48

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Solution

The fourth proportional to 143,182.80, 197,613.81 and 103,029.48 is: 142,196.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,182.80 : 197,613.81 = 103,029.48 : x
  2. Step 2: Convert to fraction form
    143,182.80/197,613.81 = 103,029.48/x
  3. Step 3: Cross multiply
    143,182.80x = 197,613.81 × 103,029.48
  4. Step 4: Simplify right side
    143,182.80x = 20,360,048,085.12
  5. Step 5: Solve for x
    x = 20,360,048,085.12/143,182.80
  6. Step 6: Final answer
    x = 142,196.19

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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.