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Finding the Fourth Proportional to 102,180.44, 153,268.89 and 45,980.79

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Solution

The fourth proportional to 102,180.44, 153,268.89 and 45,980.79 is: 68,970.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,180.44 : 153,268.89 = 45,980.79 : x
  2. Step 2: Convert to fraction form
    102,180.44/153,268.89 = 45,980.79/x
  3. Step 3: Cross multiply
    102,180.44x = 153,268.89 × 45,980.79
  4. Step 4: Simplify right side
    102,180.44x = 7,047,424,644.62
  5. Step 5: Solve for x
    x = 7,047,424,644.62/102,180.44
  6. Step 6: Final answer
    x = 68,970.39

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1.5x scale

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.