Home / 231,516.02-319,349.08-158,885.75

Finding the Fourth Proportional to 231,516.02, 319,349.08 and 158,885.75

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Solution

The fourth proportional to 231,516.02, 319,349.08 and 158,885.75 is: 219,164.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,516.02 : 319,349.08 = 158,885.75 : x
  2. Step 2: Convert to fraction form
    231,516.02/319,349.08 = 158,885.75/x
  3. Step 3: Cross multiply
    231,516.02x = 319,349.08 × 158,885.75
  4. Step 4: Simplify right side
    231,516.02x = 50,740,019,084.59
  5. Step 5: Solve for x
    x = 50,740,019,084.59/231,516.02
  6. Step 6: Final answer
    x = 219,164.18

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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.