Home / 212,183.82-292,817.24-121,547.71

Finding the Fourth Proportional to 212,183.82, 292,817.24 and 121,547.71

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Solution

The fourth proportional to 212,183.82, 292,817.24 and 121,547.71 is: 167,737.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,183.82 : 292,817.24 = 121,547.71 : x
  2. Step 2: Convert to fraction form
    212,183.82/292,817.24 = 121,547.71/x
  3. Step 3: Cross multiply
    212,183.82x = 292,817.24 × 121,547.71
  4. Step 4: Simplify right side
    212,183.82x = 35,591,264,970.52
  5. Step 5: Solve for x
    x = 35,591,264,970.52/212,183.82
  6. Step 6: Final answer
    x = 167,737.88

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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.