Home / 142,110.54-211,930.61-140,203.76

Finding the Fourth Proportional to 142,110.54, 211,930.61 and 140,203.76

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Solution

The fourth proportional to 142,110.54, 211,930.61 and 140,203.76 is: 209,087.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,110.54 : 211,930.61 = 140,203.76 : x
  2. Step 2: Convert to fraction form
    142,110.54/211,930.61 = 140,203.76/x
  3. Step 3: Cross multiply
    142,110.54x = 211,930.61 × 140,203.76
  4. Step 4: Simplify right side
    142,110.54x = 29,713,466,620.42
  5. Step 5: Solve for x
    x = 29,713,466,620.42/142,110.54
  6. Step 6: Final answer
    x = 209,087.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.