Home / 161,330.36-222,641.04-89,713.40

Finding the Fourth Proportional to 161,330.36, 222,641.04 and 89,713.40

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Solution

The fourth proportional to 161,330.36, 222,641.04 and 89,713.40 is: 123,807.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,330.36 : 222,641.04 = 89,713.40 : x
  2. Step 2: Convert to fraction form
    161,330.36/222,641.04 = 89,713.40/x
  3. Step 3: Cross multiply
    161,330.36x = 222,641.04 × 89,713.40
  4. Step 4: Simplify right side
    161,330.36x = 19,973,884,677.94
  5. Step 5: Solve for x
    x = 19,973,884,677.94/161,330.36
  6. Step 6: Final answer
    x = 123,807.35

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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.