Home / 212,259.16-292,959.46-121,675.90

Finding the Fourth Proportional to 212,259.16, 292,959.46 and 121,675.90

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Solution

The fourth proportional to 212,259.16, 292,959.46 and 121,675.90 is: 167,936.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,259.16 : 292,959.46 = 121,675.90 : x
  2. Step 2: Convert to fraction form
    212,259.16/292,959.46 = 121,675.90/x
  3. Step 3: Cross multiply
    212,259.16x = 292,959.46 × 121,675.90
  4. Step 4: Simplify right side
    212,259.16x = 35,646,105,959.01
  5. Step 5: Solve for x
    x = 35,646,105,959.01/212,259.16
  6. Step 6: Final answer
    x = 167,936.71

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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.