Home / 155,938.41-232,779.60-137,021.40

Finding the Fourth Proportional to 155,938.41, 232,779.60 and 137,021.40

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Solution

The fourth proportional to 155,938.41, 232,779.60 and 137,021.40 is: 204,540.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,938.41 : 232,779.60 = 137,021.40 : x
  2. Step 2: Convert to fraction form
    155,938.41/232,779.60 = 137,021.40/x
  3. Step 3: Cross multiply
    155,938.41x = 232,779.60 × 137,021.40
  4. Step 4: Simplify right side
    155,938.41x = 31,895,786,683.44
  5. Step 5: Solve for x
    x = 31,895,786,683.44/155,938.41
  6. Step 6: Final answer
    x = 204,540.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.