Home / 151,457.81-209,003.23-83,474.57

Finding the Fourth Proportional to 151,457.81, 209,003.23 and 83,474.57

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Solution

The fourth proportional to 151,457.81, 209,003.23 and 83,474.57 is: 115,190.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,457.81 : 209,003.23 = 83,474.57 : x
  2. Step 2: Convert to fraction form
    151,457.81/209,003.23 = 83,474.57/x
  3. Step 3: Cross multiply
    151,457.81x = 209,003.23 × 83,474.57
  4. Step 4: Simplify right side
    151,457.81x = 17,446,453,499.16
  5. Step 5: Solve for x
    x = 17,446,453,499.16/151,457.81
  6. Step 6: Final answer
    x = 115,190.19

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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.