Home / 160,666.70-221,716.62-89,046.08

Finding the Fourth Proportional to 160,666.70, 221,716.62 and 89,046.08

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Solution

The fourth proportional to 160,666.70, 221,716.62 and 89,046.08 is: 122,881.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,666.70 : 221,716.62 = 89,046.08 : x
  2. Step 2: Convert to fraction form
    160,666.70/221,716.62 = 89,046.08/x
  3. Step 3: Cross multiply
    160,666.70x = 221,716.62 × 89,046.08
  4. Step 4: Simplify right side
    160,666.70x = 19,742,995,881.85
  5. Step 5: Solve for x
    x = 19,742,995,881.85/160,666.70
  6. Step 6: Final answer
    x = 122,881.69

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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.