Home / 143,111.80-197,358.28-104,314.36

Finding the Fourth Proportional to 143,111.80, 197,358.28 and 104,314.36

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Solution

The fourth proportional to 143,111.80, 197,358.28 and 104,314.36 is: 143,854.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,111.80 : 197,358.28 = 104,314.36 : x
  2. Step 2: Convert to fraction form
    143,111.80/197,358.28 = 104,314.36/x
  3. Step 3: Cross multiply
    143,111.80x = 197,358.28 × 104,314.36
  4. Step 4: Simplify right side
    143,111.80x = 20,587,302,668.90
  5. Step 5: Solve for x
    x = 20,587,302,668.90/143,111.80
  6. Step 6: Final answer
    x = 143,854.68

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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.