Home / 202,237.12-279,076.36-111,575.34

Finding the Fourth Proportional to 202,237.12, 279,076.36 and 111,575.34

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Solution

The fourth proportional to 202,237.12, 279,076.36 and 111,575.34 is: 153,967.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,237.12 : 279,076.36 = 111,575.34 : x
  2. Step 2: Convert to fraction form
    202,237.12/279,076.36 = 111,575.34/x
  3. Step 3: Cross multiply
    202,237.12x = 279,076.36 × 111,575.34
  4. Step 4: Simplify right side
    202,237.12x = 31,138,039,752.96
  5. Step 5: Solve for x
    x = 31,138,039,752.96/202,237.12
  6. Step 6: Final answer
    x = 153,967.97

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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.