Home / 86,377.42-119,274.30-54,165.99

Finding the Fourth Proportional to 86,377.42, 119,274.30 and 54,165.99

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Solution

The fourth proportional to 86,377.42, 119,274.30 and 54,165.99 is: 74,795.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,377.42 : 119,274.30 = 54,165.99 : x
  2. Step 2: Convert to fraction form
    86,377.42/119,274.30 = 54,165.99/x
  3. Step 3: Cross multiply
    86,377.42x = 119,274.30 × 54,165.99
  4. Step 4: Simplify right side
    86,377.42x = 6,460,610,517.41
  5. Step 5: Solve for x
    x = 6,460,610,517.41/86,377.42
  6. Step 6: Final answer
    x = 74,795.13

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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.