Home / 147,433.29-203,457.47-80,365.29

Finding the Fourth Proportional to 147,433.29, 203,457.47 and 80,365.29

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Solution

The fourth proportional to 147,433.29, 203,457.47 and 80,365.29 is: 110,903.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,433.29 : 203,457.47 = 80,365.29 : x
  2. Step 2: Convert to fraction form
    147,433.29/203,457.47 = 80,365.29/x
  3. Step 3: Cross multiply
    147,433.29x = 203,457.47 × 80,365.29
  4. Step 4: Simplify right side
    147,433.29x = 16,350,918,177.39
  5. Step 5: Solve for x
    x = 16,350,918,177.39/147,433.29
  6. Step 6: Final answer
    x = 110,903.84

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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.