Home / 154,136.98-231,210.21-41,816.75

Finding the Fourth Proportional to 154,136.98, 231,210.21 and 41,816.75

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Solution

The fourth proportional to 154,136.98, 231,210.21 and 41,816.75 is: 62,726.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,136.98 : 231,210.21 = 41,816.75 : x
  2. Step 2: Convert to fraction form
    154,136.98/231,210.21 = 41,816.75/x
  3. Step 3: Cross multiply
    154,136.98x = 231,210.21 × 41,816.75
  4. Step 4: Simplify right side
    154,136.98x = 9,668,459,549.02
  5. Step 5: Solve for x
    x = 9,668,459,549.02/154,136.98
  6. Step 6: Final answer
    x = 62,726.41

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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.