Home / 160,908.72-222,054.40-89,288.94

Finding the Fourth Proportional to 160,908.72, 222,054.40 and 89,288.94

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Solution

The fourth proportional to 160,908.72, 222,054.40 and 89,288.94 is: 123,218.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,908.72 : 222,054.40 = 89,288.94 : x
  2. Step 2: Convert to fraction form
    160,908.72/222,054.40 = 89,288.94/x
  3. Step 3: Cross multiply
    160,908.72x = 222,054.40 × 89,288.94
  4. Step 4: Simplify right side
    160,908.72x = 19,827,001,998.34
  5. Step 5: Solve for x
    x = 19,827,001,998.34/160,908.72
  6. Step 6: Final answer
    x = 123,218.94

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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.