Home / 146,869.13-202,680.63-79,801.13

Finding the Fourth Proportional to 146,869.13, 202,680.63 and 79,801.13

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Solution

The fourth proportional to 146,869.13, 202,680.63 and 79,801.13 is: 110,126.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,869.13 : 202,680.63 = 79,801.13 : x
  2. Step 2: Convert to fraction form
    146,869.13/202,680.63 = 79,801.13/x
  3. Step 3: Cross multiply
    146,869.13x = 202,680.63 × 79,801.13
  4. Step 4: Simplify right side
    146,869.13x = 16,174,142,289.71
  5. Step 5: Solve for x
    x = 16,174,142,289.71/146,869.13
  6. Step 6: Final answer
    x = 110,126.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.