Home / 202,349.23-279,242.35-111,705.31

Finding the Fourth Proportional to 202,349.23, 279,242.35 and 111,705.31

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Solution

The fourth proportional to 202,349.23, 279,242.35 and 111,705.31 is: 154,153.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,349.23 : 279,242.35 = 111,705.31 : x
  2. Step 2: Convert to fraction form
    202,349.23/279,242.35 = 111,705.31/x
  3. Step 3: Cross multiply
    202,349.23x = 279,242.35 × 111,705.31
  4. Step 4: Simplify right side
    202,349.23x = 31,192,853,341.67
  5. Step 5: Solve for x
    x = 31,192,853,341.67/202,349.23
  6. Step 6: Final answer
    x = 154,153.56

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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.