Home / 155,289.40-232,934.10-50,111.80

Finding the Fourth Proportional to 155,289.40, 232,934.10 and 50,111.80

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Solution

The fourth proportional to 155,289.40, 232,934.10 and 50,111.80 is: 75,167.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,289.40 : 232,934.10 = 50,111.80 : x
  2. Step 2: Convert to fraction form
    155,289.40/232,934.10 = 50,111.80/x
  3. Step 3: Cross multiply
    155,289.40x = 232,934.10 × 50,111.80
  4. Step 4: Simplify right side
    155,289.40x = 11,672,747,032.38
  5. Step 5: Solve for x
    x = 11,672,747,032.38/155,289.40
  6. Step 6: Final answer
    x = 75,167.70

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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.