Home / 211,979.07-292,547.43-121,363.56

Finding the Fourth Proportional to 211,979.07, 292,547.43 and 121,363.56

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Solution

The fourth proportional to 211,979.07, 292,547.43 and 121,363.56 is: 167,491.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,979.07 : 292,547.43 = 121,363.56 : x
  2. Step 2: Convert to fraction form
    211,979.07/292,547.43 = 121,363.56/x
  3. Step 3: Cross multiply
    211,979.07x = 292,547.43 × 121,363.56
  4. Step 4: Simplify right side
    211,979.07x = 35,504,597,573.65
  5. Step 5: Solve for x
    x = 35,504,597,573.65/211,979.07
  6. Step 6: Final answer
    x = 167,491.05

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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.