Home / 119,986.32-179,867.30-53,390.28

Finding the Fourth Proportional to 119,986.32, 179,867.30 and 53,390.28

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Solution

The fourth proportional to 119,986.32, 179,867.30 and 53,390.28 is: 80,035.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,986.32 : 179,867.30 = 53,390.28 : x
  2. Step 2: Convert to fraction form
    119,986.32/179,867.30 = 53,390.28/x
  3. Step 3: Cross multiply
    119,986.32x = 179,867.30 × 53,390.28
  4. Step 4: Simplify right side
    119,986.32x = 9,603,165,242.89
  5. Step 5: Solve for x
    x = 9,603,165,242.89/119,986.32
  6. Step 6: Final answer
    x = 80,035.50

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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.