Home / 114,578.13-158,118.90-64,278.21

Finding the Fourth Proportional to 114,578.13, 158,118.90 and 64,278.21

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Solution

The fourth proportional to 114,578.13, 158,118.90 and 64,278.21 is: 88,704.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,578.13 : 158,118.90 = 64,278.21 : x
  2. Step 2: Convert to fraction form
    114,578.13/158,118.90 = 64,278.21/x
  3. Step 3: Cross multiply
    114,578.13x = 158,118.90 × 64,278.21
  4. Step 4: Simplify right side
    114,578.13x = 10,163,599,859.17
  5. Step 5: Solve for x
    x = 10,163,599,859.17/114,578.13
  6. Step 6: Final answer
    x = 88,704.54

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1.5x scale

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.