Home / 114,579.50-158,120.28-64,278.50

Finding the Fourth Proportional to 114,579.50, 158,120.28 and 64,278.50

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Solution

The fourth proportional to 114,579.50, 158,120.28 and 64,278.50 is: 88,704.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,579.50 : 158,120.28 = 64,278.50 : x
  2. Step 2: Convert to fraction form
    114,579.50/158,120.28 = 64,278.50/x
  3. Step 3: Cross multiply
    114,579.50x = 158,120.28 × 64,278.50
  4. Step 4: Simplify right side
    114,579.50x = 10,163,734,417.98
  5. Step 5: Solve for x
    x = 10,163,734,417.98/114,579.50
  6. Step 6: Final answer
    x = 88,704.65

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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.