Home / 212,153.96-292,699.60-131,552.48

Finding the Fourth Proportional to 212,153.96, 292,699.60 and 131,552.48

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Solution

The fourth proportional to 212,153.96, 292,699.60 and 131,552.48 is: 181,497.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,153.96 : 292,699.60 = 131,552.48 : x
  2. Step 2: Convert to fraction form
    212,153.96/292,699.60 = 131,552.48/x
  3. Step 3: Cross multiply
    212,153.96x = 292,699.60 × 131,552.48
  4. Step 4: Simplify right side
    212,153.96x = 38,505,358,275.01
  5. Step 5: Solve for x
    x = 38,505,358,275.01/212,153.96
  6. Step 6: Final answer
    x = 181,497.24

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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.