Home / 140,916.28-194,459.31-77,252.68

Finding the Fourth Proportional to 140,916.28, 194,459.31 and 77,252.68

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Solution

The fourth proportional to 140,916.28, 194,459.31 and 77,252.68 is: 106,605.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,916.28 : 194,459.31 = 77,252.68 : x
  2. Step 2: Convert to fraction form
    140,916.28/194,459.31 = 77,252.68/x
  3. Step 3: Cross multiply
    140,916.28x = 194,459.31 × 77,252.68
  4. Step 4: Simplify right side
    140,916.28x = 15,022,502,848.45
  5. Step 5: Solve for x
    x = 15,022,502,848.45/140,916.28
  6. Step 6: Final answer
    x = 106,605.87

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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.