Home / 231,218.24-319,090.47-134,421.62

Finding the Fourth Proportional to 231,218.24, 319,090.47 and 134,421.62

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Solution

The fourth proportional to 231,218.24, 319,090.47 and 134,421.62 is: 185,507.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,218.24 : 319,090.47 = 134,421.62 : x
  2. Step 2: Convert to fraction form
    231,218.24/319,090.47 = 134,421.62/x
  3. Step 3: Cross multiply
    231,218.24x = 319,090.47 × 134,421.62
  4. Step 4: Simplify right side
    231,218.24x = 42,892,657,903.96
  5. Step 5: Solve for x
    x = 42,892,657,903.96/231,218.24
  6. Step 6: Final answer
    x = 185,507.24

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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.