Home / 161,055.21-222,263.59-89,435.52

Finding the Fourth Proportional to 161,055.21, 222,263.59 and 89,435.52

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Solution

The fourth proportional to 161,055.21, 222,263.59 and 89,435.52 is: 123,425.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,055.21 : 222,263.59 = 89,435.52 : x
  2. Step 2: Convert to fraction form
    161,055.21/222,263.59 = 89,435.52/x
  3. Step 3: Cross multiply
    161,055.21x = 222,263.59 × 89,435.52
  4. Step 4: Simplify right side
    161,055.21x = 19,878,259,748.72
  5. Step 5: Solve for x
    x = 19,878,259,748.72/161,055.21
  6. Step 6: Final answer
    x = 123,425.13

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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.