Home / 117,269.11-175,922.34-42,381.66

Finding the Fourth Proportional to 117,269.11, 175,922.34 and 42,381.66

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Solution

The fourth proportional to 117,269.11, 175,922.34 and 42,381.66 is: 63,579.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,269.11 : 175,922.34 = 42,381.66 : x
  2. Step 2: Convert to fraction form
    117,269.11/175,922.34 = 42,381.66/x
  3. Step 3: Cross multiply
    117,269.11x = 175,922.34 × 42,381.66
  4. Step 4: Simplify right side
    117,269.11x = 7,455,880,800.28
  5. Step 5: Solve for x
    x = 7,455,880,800.28/117,269.11
  6. Step 6: Final answer
    x = 63,579.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.