Home / 155,955.93-215,219.19-84,335.96

Finding the Fourth Proportional to 155,955.93, 215,219.19 and 84,335.96

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Solution

The fourth proportional to 155,955.93, 215,219.19 and 84,335.96 is: 116,383.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,955.93 : 215,219.19 = 84,335.96 : x
  2. Step 2: Convert to fraction form
    155,955.93/215,219.19 = 84,335.96/x
  3. Step 3: Cross multiply
    155,955.93x = 215,219.19 × 84,335.96
  4. Step 4: Simplify right side
    155,955.93x = 18,150,717,853.38
  5. Step 5: Solve for x
    x = 18,150,717,853.38/155,955.93
  6. Step 6: Final answer
    x = 116,383.64

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1.5x scale

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.