Home / 115,377.28-173,075.64-36,489.76

Finding the Fourth Proportional to 115,377.28, 173,075.64 and 36,489.76

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Solution

The fourth proportional to 115,377.28, 173,075.64 and 36,489.76 is: 54,737.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,377.28 : 173,075.64 = 36,489.76 : x
  2. Step 2: Convert to fraction form
    115,377.28/173,075.64 = 36,489.76/x
  3. Step 3: Cross multiply
    115,377.28x = 173,075.64 × 36,489.76
  4. Step 4: Simplify right side
    115,377.28x = 6,315,488,565.45
  5. Step 5: Solve for x
    x = 6,315,488,565.45/115,377.28
  6. Step 6: Final answer
    x = 54,737.71

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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.