Home / 161,347.81-222,642.93-89,716.27

Finding the Fourth Proportional to 161,347.81, 222,642.93 and 89,716.27

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Solution

The fourth proportional to 161,347.81, 222,642.93 and 89,716.27 is: 123,798.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,347.81 : 222,642.93 = 89,716.27 : x
  2. Step 2: Convert to fraction form
    161,347.81/222,642.93 = 89,716.27/x
  3. Step 3: Cross multiply
    161,347.81x = 222,642.93 × 89,716.27
  4. Step 4: Simplify right side
    161,347.81x = 19,974,692,772.89
  5. Step 5: Solve for x
    x = 19,974,692,772.89/161,347.81
  6. Step 6: Final answer
    x = 123,798.97

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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.