Home / 119,729.60-179,618.70-40,851.80

Finding the Fourth Proportional to 119,729.60, 179,618.70 and 40,851.80

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Solution

The fourth proportional to 119,729.60, 179,618.70 and 40,851.80 is: 61,285.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,729.60 : 179,618.70 = 40,851.80 : x
  2. Step 2: Convert to fraction form
    119,729.60/179,618.70 = 40,851.80/x
  3. Step 3: Cross multiply
    119,729.60x = 179,618.70 × 40,851.80
  4. Step 4: Simplify right side
    119,729.60x = 7,337,747,208.66
  5. Step 5: Solve for x
    x = 7,337,747,208.66/119,729.60
  6. Step 6: Final answer
    x = 61,285.99

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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.