Home / 147,899.40-221,805.90-53,118.60

Finding the Fourth Proportional to 147,899.40, 221,805.90 and 53,118.60

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Solution

The fourth proportional to 147,899.40, 221,805.90 and 53,118.60 is: 79,662.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,899.40 : 221,805.90 = 53,118.60 : x
  2. Step 2: Convert to fraction form
    147,899.40/221,805.90 = 53,118.60/x
  3. Step 3: Cross multiply
    147,899.40x = 221,805.90 × 53,118.60
  4. Step 4: Simplify right side
    147,899.40x = 11,782,018,879.74
  5. Step 5: Solve for x
    x = 11,782,018,879.74/147,899.40
  6. Step 6: Final answer
    x = 79,662.38

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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.