Home / 147,569.70-221,329.78-40,964.49

Finding the Fourth Proportional to 147,569.70, 221,329.78 and 40,964.49

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Solution

The fourth proportional to 147,569.70, 221,329.78 and 40,964.49 is: 61,439.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,569.70 : 221,329.78 = 40,964.49 : x
  2. Step 2: Convert to fraction form
    147,569.70/221,329.78 = 40,964.49/x
  3. Step 3: Cross multiply
    147,569.70x = 221,329.78 × 40,964.49
  4. Step 4: Simplify right side
    147,569.70x = 9,066,661,559.51
  5. Step 5: Solve for x
    x = 9,066,661,559.51/147,569.70
  6. Step 6: Final answer
    x = 61,439.86

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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.