Home / 212,152.96-292,698.22-131,551.48

Finding the Fourth Proportional to 212,152.96, 292,698.22 and 131,551.48

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Solution

The fourth proportional to 212,152.96, 292,698.22 and 131,551.48 is: 181,495.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,152.96 : 292,698.22 = 131,551.48 : x
  2. Step 2: Convert to fraction form
    212,152.96/292,698.22 = 131,551.48/x
  3. Step 3: Cross multiply
    212,152.96x = 292,698.22 × 131,551.48
  4. Step 4: Simplify right side
    212,152.96x = 38,504,884,034.37
  5. Step 5: Solve for x
    x = 38,504,884,034.37/212,152.96
  6. Step 6: Final answer
    x = 181,495.86

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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.