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Finding the Fourth Proportional to 202,739, 279,779.76 and 110,858.52

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Solution

The fourth proportional to 202,739, 279,779.76 and 110,858.52 is: 152,984.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,739 : 279,779.76 = 110,858.52 : x
  2. Step 2: Convert to fraction form
    202,739/279,779.76 = 110,858.52/x
  3. Step 3: Cross multiply
    202,739x = 279,779.76 × 110,858.52
  4. Step 4: Simplify right side
    202,739x = 31,015,970,119.56
  5. Step 5: Solve for x
    x = 31,015,970,119.56/202,739
  6. Step 6: Final answer
    x = 152,984.72

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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.