Home / 152,964.28-211,067.25-84,980.17

Finding the Fourth Proportional to 152,964.28, 211,067.25 and 84,980.17

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Solution

The fourth proportional to 152,964.28, 211,067.25 and 84,980.17 is: 117,259.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,964.28 : 211,067.25 = 84,980.17 : x
  2. Step 2: Convert to fraction form
    152,964.28/211,067.25 = 84,980.17/x
  3. Step 3: Cross multiply
    152,964.28x = 211,067.25 × 84,980.17
  4. Step 4: Simplify right side
    152,964.28x = 17,936,529,731.10
  5. Step 5: Solve for x
    x = 17,936,529,731.10/152,964.28
  6. Step 6: Final answer
    x = 117,259.60

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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.