Home / 281,752.02-422,617.10-113,221.80

Finding the Fourth Proportional to 281,752.02, 422,617.10 and 113,221.80

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Solution

The fourth proportional to 281,752.02, 422,617.10 and 113,221.80 is: 169,828.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,752.02 : 422,617.10 = 113,221.80 : x
  2. Step 2: Convert to fraction form
    281,752.02/422,617.10 = 113,221.80/x
  3. Step 3: Cross multiply
    281,752.02x = 422,617.10 × 113,221.80
  4. Step 4: Simplify right side
    281,752.02x = 47,849,468,206.67
  5. Step 5: Solve for x
    x = 47,849,468,206.67/281,752.02
  6. Step 6: Final answer
    x = 169,828.31

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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.