Home / 142,237.77-196,291.97-84,910.36

Finding the Fourth Proportional to 142,237.77, 196,291.97 and 84,910.36

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Solution

The fourth proportional to 142,237.77, 196,291.97 and 84,910.36 is: 117,178.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,237.77 : 196,291.97 = 84,910.36 : x
  2. Step 2: Convert to fraction form
    142,237.77/196,291.97 = 84,910.36/x
  3. Step 3: Cross multiply
    142,237.77x = 196,291.97 × 84,910.36
  4. Step 4: Simplify right side
    142,237.77x = 16,667,222,086.61
  5. Step 5: Solve for x
    x = 16,667,222,086.61/142,237.77
  6. Step 6: Final answer
    x = 117,178.59

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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.