Home / 155,156.90-232,771.74-49,971.92

Finding the Fourth Proportional to 155,156.90, 232,771.74 and 49,971.92

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Solution

The fourth proportional to 155,156.90, 232,771.74 and 49,971.92 is: 74,969.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,156.90 : 232,771.74 = 49,971.92 : x
  2. Step 2: Convert to fraction form
    155,156.90/232,771.74 = 49,971.92/x
  3. Step 3: Cross multiply
    155,156.90x = 232,771.74 × 49,971.92
  4. Step 4: Simplify right side
    155,156.90x = 11,632,050,769.54
  5. Step 5: Solve for x
    x = 11,632,050,769.54/155,156.90
  6. Step 6: Final answer
    x = 74,969.60

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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.