Home / 202,051.09-278,810.79-124,514.69

Finding the Fourth Proportional to 202,051.09, 278,810.79 and 124,514.69

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Solution

The fourth proportional to 202,051.09, 278,810.79 and 124,514.69 is: 171,818.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,051.09 : 278,810.79 = 124,514.69 : x
  2. Step 2: Convert to fraction form
    202,051.09/278,810.79 = 124,514.69/x
  3. Step 3: Cross multiply
    202,051.09x = 278,810.79 × 124,514.69
  4. Step 4: Simplify right side
    202,051.09x = 34,716,037,224.52
  5. Step 5: Solve for x
    x = 34,716,037,224.52/202,051.09
  6. Step 6: Final answer
    x = 171,818.11

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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.