Home / 155,964.20-233,792.70-77,090.60

Finding the Fourth Proportional to 155,964.20, 233,792.70 and 77,090.60

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Solution

The fourth proportional to 155,964.20, 233,792.70 and 77,090.60 is: 115,559.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,964.20 : 233,792.70 = 77,090.60 : x
  2. Step 2: Convert to fraction form
    155,964.20/233,792.70 = 77,090.60/x
  3. Step 3: Cross multiply
    155,964.20x = 233,792.70 × 77,090.60
  4. Step 4: Simplify right side
    155,964.20x = 18,023,219,518.62
  5. Step 5: Solve for x
    x = 18,023,219,518.62/155,964.20
  6. Step 6: Final answer
    x = 115,559.98

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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.