Home / 161,055.96-222,264.63-89,436.27

Finding the Fourth Proportional to 161,055.96, 222,264.63 and 89,436.27

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Solution

The fourth proportional to 161,055.96, 222,264.63 and 89,436.27 is: 123,426.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,055.96 : 222,264.63 = 89,436.27 : x
  2. Step 2: Convert to fraction form
    161,055.96/222,264.63 = 89,436.27/x
  3. Step 3: Cross multiply
    161,055.96x = 222,264.63 × 89,436.27
  4. Step 4: Simplify right side
    161,055.96x = 19,878,519,460.13
  5. Step 5: Solve for x
    x = 19,878,519,460.13/161,055.96
  6. Step 6: Final answer
    x = 123,426.16

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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.