Home / 146,740.79-220,075.78-61,305.49

Finding the Fourth Proportional to 146,740.79, 220,075.78 and 61,305.49

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Solution

The fourth proportional to 146,740.79, 220,075.78 and 61,305.49 is: 91,943.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,740.79 : 220,075.78 = 61,305.49 : x
  2. Step 2: Convert to fraction form
    146,740.79/220,075.78 = 61,305.49/x
  3. Step 3: Cross multiply
    146,740.79x = 220,075.78 × 61,305.49
  4. Step 4: Simplify right side
    146,740.79x = 13,491,853,223.50
  5. Step 5: Solve for x
    x = 13,491,853,223.50/146,740.79
  6. Step 6: Final answer
    x = 91,943.44

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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.