Home / 153,355.14-211,687.83-89,713.44

Finding the Fourth Proportional to 153,355.14, 211,687.83 and 89,713.44

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Solution

The fourth proportional to 153,355.14, 211,687.83 and 89,713.44 is: 123,838.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,355.14 : 211,687.83 = 89,713.44 : x
  2. Step 2: Convert to fraction form
    153,355.14/211,687.83 = 89,713.44/x
  3. Step 3: Cross multiply
    153,355.14x = 211,687.83 × 89,713.44
  4. Step 4: Simplify right side
    153,355.14x = 18,991,243,435.44
  5. Step 5: Solve for x
    x = 18,991,243,435.44/153,355.14
  6. Step 6: Final answer
    x = 123,838.32

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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.