Home / 119,977.60-179,966.40-36,860.80

Finding the Fourth Proportional to 119,977.60, 179,966.40 and 36,860.80

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Solution

The fourth proportional to 119,977.60, 179,966.40 and 36,860.80 is: 55,291.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,977.60 : 179,966.40 = 36,860.80 : x
  2. Step 2: Convert to fraction form
    119,977.60/179,966.40 = 36,860.80/x
  3. Step 3: Cross multiply
    119,977.60x = 179,966.40 × 36,860.80
  4. Step 4: Simplify right side
    119,977.60x = 6,633,705,477.12
  5. Step 5: Solve for x
    x = 6,633,705,477.12/119,977.60
  6. Step 6: Final answer
    x = 55,291.20

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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.