Home / 152,080.82-209,853.18-84,088.64

Finding the Fourth Proportional to 152,080.82, 209,853.18 and 84,088.64

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Solution

The fourth proportional to 152,080.82, 209,853.18 and 84,088.64 is: 116,032.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,080.82 : 209,853.18 = 84,088.64 : x
  2. Step 2: Convert to fraction form
    152,080.82/209,853.18 = 84,088.64/x
  3. Step 3: Cross multiply
    152,080.82x = 209,853.18 × 84,088.64
  4. Step 4: Simplify right side
    152,080.82x = 17,646,268,505.88
  5. Step 5: Solve for x
    x = 17,646,268,505.88/152,080.82
  6. Step 6: Final answer
    x = 116,032.18

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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.