Home / 147,945.44-221,929.32-42,765.20

Finding the Fourth Proportional to 147,945.44, 221,929.32 and 42,765.20

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Solution

The fourth proportional to 147,945.44, 221,929.32 and 42,765.20 is: 64,151.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,945.44 : 221,929.32 = 42,765.20 : x
  2. Step 2: Convert to fraction form
    147,945.44/221,929.32 = 42,765.20/x
  3. Step 3: Cross multiply
    147,945.44x = 221,929.32 × 42,765.20
  4. Step 4: Simplify right side
    147,945.44x = 9,490,851,755.66
  5. Step 5: Solve for x
    x = 9,490,851,755.66/147,945.44
  6. Step 6: Final answer
    x = 64,151.03

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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.