Home / 212,231.09-292,872.79-116,737.78

Finding the Fourth Proportional to 212,231.09, 292,872.79 and 116,737.78

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Solution

The fourth proportional to 212,231.09, 292,872.79 and 116,737.78 is: 161,094.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,231.09 : 292,872.79 = 116,737.78 : x
  2. Step 2: Convert to fraction form
    212,231.09/292,872.79 = 116,737.78/x
  3. Step 3: Cross multiply
    212,231.09x = 292,872.79 × 116,737.78
  4. Step 4: Simplify right side
    212,231.09x = 34,189,319,327.01
  5. Step 5: Solve for x
    x = 34,189,319,327.01/212,231.09
  6. Step 6: Final answer
    x = 161,094.77

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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.