Home / 231,407.09-347,431.88-119,167.55

Finding the Fourth Proportional to 231,407.09, 347,431.88 and 119,167.55

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Solution

The fourth proportional to 231,407.09, 347,431.88 and 119,167.55 is: 178,916.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,407.09 : 347,431.88 = 119,167.55 : x
  2. Step 2: Convert to fraction form
    231,407.09/347,431.88 = 119,167.55/x
  3. Step 3: Cross multiply
    231,407.09x = 347,431.88 × 119,167.55
  4. Step 4: Simplify right side
    231,407.09x = 41,402,605,335.66
  5. Step 5: Solve for x
    x = 41,402,605,335.66/231,407.09
  6. Step 6: Final answer
    x = 178,916.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.