Home / 160,724.39-221,804.91-89,111.07

Finding the Fourth Proportional to 160,724.39, 221,804.91 and 89,111.07

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Solution

The fourth proportional to 160,724.39, 221,804.91 and 89,111.07 is: 122,976.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,724.39 : 221,804.91 = 89,111.07 : x
  2. Step 2: Convert to fraction form
    160,724.39/221,804.91 = 89,111.07/x
  3. Step 3: Cross multiply
    160,724.39x = 221,804.91 × 89,111.07
  4. Step 4: Simplify right side
    160,724.39x = 19,765,272,861.35
  5. Step 5: Solve for x
    x = 19,765,272,861.35/160,724.39
  6. Step 6: Final answer
    x = 122,976.19

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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.