Home / 119,987.32-179,868.79-53,391.28

Finding the Fourth Proportional to 119,987.32, 179,868.79 and 53,391.28

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Solution

The fourth proportional to 119,987.32, 179,868.79 and 53,391.28 is: 80,037.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,987.32 : 179,868.79 = 53,391.28 : x
  2. Step 2: Convert to fraction form
    119,987.32/179,868.79 = 53,391.28/x
  3. Step 3: Cross multiply
    119,987.32x = 179,868.79 × 53,391.28
  4. Step 4: Simplify right side
    119,987.32x = 9,603,424,930.15
  5. Step 5: Solve for x
    x = 9,603,424,930.15/119,987.32
  6. Step 6: Final answer
    x = 80,037.00

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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.