Home / 202,305.05-279,180.96-112,881.05

Finding the Fourth Proportional to 202,305.05, 279,180.96 and 112,881.05

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Solution

The fourth proportional to 202,305.05, 279,180.96 and 112,881.05 is: 155,775.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,305.05 : 279,180.96 = 112,881.05 : x
  2. Step 2: Convert to fraction form
    202,305.05/279,180.96 = 112,881.05/x
  3. Step 3: Cross multiply
    202,305.05x = 279,180.96 × 112,881.05
  4. Step 4: Simplify right side
    202,305.05x = 31,514,239,561.50
  5. Step 5: Solve for x
    x = 31,514,239,561.50/202,305.05
  6. Step 6: Final answer
    x = 155,775.84

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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.