Home / 155,993.04-215,270.55-84,373.16

Finding the Fourth Proportional to 155,993.04, 215,270.55 and 84,373.16

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Solution

The fourth proportional to 155,993.04, 215,270.55 and 84,373.16 is: 116,435.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,993.04 : 215,270.55 = 84,373.16 : x
  2. Step 2: Convert to fraction form
    155,993.04/215,270.55 = 84,373.16/x
  3. Step 3: Cross multiply
    155,993.04x = 215,270.55 × 84,373.16
  4. Step 4: Simplify right side
    155,993.04x = 18,163,055,482.09
  5. Step 5: Solve for x
    x = 18,163,055,482.09/155,993.04
  6. Step 6: Final answer
    x = 116,435.04

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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.