Home / 202,238.13-279,088.30-111,594.03

Finding the Fourth Proportional to 202,238.13, 279,088.30 and 111,594.03

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Solution

The fourth proportional to 202,238.13, 279,088.30 and 111,594.03 is: 153,999.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,238.13 : 279,088.30 = 111,594.03 : x
  2. Step 2: Convert to fraction form
    202,238.13/279,088.30 = 111,594.03/x
  3. Step 3: Cross multiply
    202,238.13x = 279,088.30 × 111,594.03
  4. Step 4: Simplify right side
    202,238.13x = 31,144,588,122.85
  5. Step 5: Solve for x
    x = 31,144,588,122.85/202,238.13
  6. Step 6: Final answer
    x = 153,999.59

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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.