Home / 160,972.78-222,131.32-89,347.17

Finding the Fourth Proportional to 160,972.78, 222,131.32 and 89,347.17

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Solution

The fourth proportional to 160,972.78, 222,131.32 and 89,347.17 is: 123,292.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,972.78 : 222,131.32 = 89,347.17 : x
  2. Step 2: Convert to fraction form
    160,972.78/222,131.32 = 89,347.17/x
  3. Step 3: Cross multiply
    160,972.78x = 222,131.32 × 89,347.17
  4. Step 4: Simplify right side
    160,972.78x = 19,846,803,699.71
  5. Step 5: Solve for x
    x = 19,846,803,699.71/160,972.78
  6. Step 6: Final answer
    x = 123,292.92

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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.