Home / 272,996.10-376,728.93-152,136.90

Finding the Fourth Proportional to 272,996.10, 376,728.93 and 152,136.90

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Solution

The fourth proportional to 272,996.10, 376,728.93 and 152,136.90 is: 209,945.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,996.10 : 376,728.93 = 152,136.90 : x
  2. Step 2: Convert to fraction form
    272,996.10/376,728.93 = 152,136.90/x
  3. Step 3: Cross multiply
    272,996.10x = 376,728.93 × 152,136.90
  4. Step 4: Simplify right side
    272,996.10x = 57,314,371,550.52
  5. Step 5: Solve for x
    x = 57,314,371,550.52/272,996.10
  6. Step 6: Final answer
    x = 209,945.75

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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.