Home / 119,454.85-179,182.09-81,901.07

Finding the Fourth Proportional to 119,454.85, 179,182.09 and 81,901.07

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Solution

The fourth proportional to 119,454.85, 179,182.09 and 81,901.07 is: 122,851.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,454.85 : 179,182.09 = 81,901.07 : x
  2. Step 2: Convert to fraction form
    119,454.85/179,182.09 = 81,901.07/x
  3. Step 3: Cross multiply
    119,454.85x = 179,182.09 × 81,901.07
  4. Step 4: Simplify right side
    119,454.85x = 14,675,205,782.13
  5. Step 5: Solve for x
    x = 14,675,205,782.13/119,454.85
  6. Step 6: Final answer
    x = 122,851.48

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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.