Home / 131,280.57-180,786.03-114,045.13

Finding the Fourth Proportional to 131,280.57, 180,786.03 and 114,045.13

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Solution

The fourth proportional to 131,280.57, 180,786.03 and 114,045.13 is: 157,051.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,280.57 : 180,786.03 = 114,045.13 : x
  2. Step 2: Convert to fraction form
    131,280.57/180,786.03 = 114,045.13/x
  3. Step 3: Cross multiply
    131,280.57x = 180,786.03 × 114,045.13
  4. Step 4: Simplify right side
    131,280.57x = 20,617,766,293.53
  5. Step 5: Solve for x
    x = 20,617,766,293.53/131,280.57
  6. Step 6: Final answer
    x = 157,051.16

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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.