Home / 160,981.80-222,143.77-89,356.18

Finding the Fourth Proportional to 160,981.80, 222,143.77 and 89,356.18

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Solution

The fourth proportional to 160,981.80, 222,143.77 and 89,356.18 is: 123,305.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,981.80 : 222,143.77 = 89,356.18 : x
  2. Step 2: Convert to fraction form
    160,981.80/222,143.77 = 89,356.18/x
  3. Step 3: Cross multiply
    160,981.80x = 222,143.77 × 89,356.18
  4. Step 4: Simplify right side
    160,981.80x = 19,849,918,698.00
  5. Step 5: Solve for x
    x = 19,849,918,698.00/160,981.80
  6. Step 6: Final answer
    x = 123,305.36

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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.