Home / 161,088.36-222,298.07-89,467.76

Finding the Fourth Proportional to 161,088.36, 222,298.07 and 89,467.76

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Solution

The fourth proportional to 161,088.36, 222,298.07 and 89,467.76 is: 123,463.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,088.36 : 222,298.07 = 89,467.76 : x
  2. Step 2: Convert to fraction form
    161,088.36/222,298.07 = 89,467.76/x
  3. Step 3: Cross multiply
    161,088.36x = 222,298.07 × 89,467.76
  4. Step 4: Simplify right side
    161,088.36x = 19,888,508,816.39
  5. Step 5: Solve for x
    x = 19,888,508,816.39/161,088.36
  6. Step 6: Final answer
    x = 123,463.35

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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.