Home / 146,948.18-220,418.01-87,385.23

Finding the Fourth Proportional to 146,948.18, 220,418.01 and 87,385.23

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Solution

The fourth proportional to 146,948.18, 220,418.01 and 87,385.23 is: 131,075.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,948.18 : 220,418.01 = 87,385.23 : x
  2. Step 2: Convert to fraction form
    146,948.18/220,418.01 = 87,385.23/x
  3. Step 3: Cross multiply
    146,948.18x = 220,418.01 × 87,385.23
  4. Step 4: Simplify right side
    146,948.18x = 19,261,278,499.99
  5. Step 5: Solve for x
    x = 19,261,278,499.99/146,948.18
  6. Step 6: Final answer
    x = 131,075.32

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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.