Home / 161,412.48-222,749.64-89,793

Finding the Fourth Proportional to 161,412.48, 222,749.64 and 89,793

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Solution

The fourth proportional to 161,412.48, 222,749.64 and 89,793 is: 123,914.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,412.48 : 222,749.64 = 89,793 : x
  2. Step 2: Convert to fraction form
    161,412.48/222,749.64 = 89,793/x
  3. Step 3: Cross multiply
    161,412.48x = 222,749.64 × 89,793
  4. Step 4: Simplify right side
    161,412.48x = 20,001,358,424.52
  5. Step 5: Solve for x
    x = 20,001,358,424.52/161,412.48
  6. Step 6: Final answer
    x = 123,914.57

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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.