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Finding the Fourth Proportional to 155,693.81, 233,519.56 and 60,858

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Solution

The fourth proportional to 155,693.81, 233,519.56 and 60,858 is: 91,278.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,693.81 : 233,519.56 = 60,858 : x
  2. Step 2: Convert to fraction form
    155,693.81/233,519.56 = 60,858/x
  3. Step 3: Cross multiply
    155,693.81x = 233,519.56 × 60,858
  4. Step 4: Simplify right side
    155,693.81x = 14,211,533,230.34
  5. Step 5: Solve for x
    x = 14,211,533,230.34/155,693.81
  6. Step 6: Final answer
    x = 91,278.73

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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.