Home / 155,751.95-214,937.73-84,132.02

Finding the Fourth Proportional to 155,751.95, 214,937.73 and 84,132.02

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Solution

The fourth proportional to 155,751.95, 214,937.73 and 84,132.02 is: 116,102.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,751.95 : 214,937.73 = 84,132.02 : x
  2. Step 2: Convert to fraction form
    155,751.95/214,937.73 = 84,132.02/x
  3. Step 3: Cross multiply
    155,751.95x = 214,937.73 × 84,132.02
  4. Step 4: Simplify right side
    155,751.95x = 18,083,145,399.11
  5. Step 5: Solve for x
    x = 18,083,145,399.11/155,751.95
  6. Step 6: Final answer
    x = 116,102.21

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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.