Home / 134,865.98-186,114.87-74,436.74

Finding the Fourth Proportional to 134,865.98, 186,114.87 and 74,436.74

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Solution

The fourth proportional to 134,865.98, 186,114.87 and 74,436.74 is: 102,722.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,865.98 : 186,114.87 = 74,436.74 : x
  2. Step 2: Convert to fraction form
    134,865.98/186,114.87 = 74,436.74/x
  3. Step 3: Cross multiply
    134,865.98x = 186,114.87 × 74,436.74
  4. Step 4: Simplify right side
    134,865.98x = 13,853,783,257.75
  5. Step 5: Solve for x
    x = 13,853,783,257.75/134,865.98
  6. Step 6: Final answer
    x = 102,722.60

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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.