Home / 142,991.74-197,337.95-82,564.93

Finding the Fourth Proportional to 142,991.74, 197,337.95 and 82,564.93

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Solution

The fourth proportional to 142,991.74, 197,337.95 and 82,564.93 is: 113,945.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,991.74 : 197,337.95 = 82,564.93 : x
  2. Step 2: Convert to fraction form
    142,991.74/197,337.95 = 82,564.93/x
  3. Step 3: Cross multiply
    142,991.74x = 197,337.95 × 82,564.93
  4. Step 4: Simplify right side
    142,991.74x = 16,293,194,028.09
  5. Step 5: Solve for x
    x = 16,293,194,028.09/142,991.74
  6. Step 6: Final answer
    x = 113,945.00

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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.