Home / 102,470.48-141,405.79-56,531.96

Finding the Fourth Proportional to 102,470.48, 141,405.79 and 56,531.96

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Solution

The fourth proportional to 102,470.48, 141,405.79 and 56,531.96 is: 78,012.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,470.48 : 141,405.79 = 56,531.96 : x
  2. Step 2: Convert to fraction form
    102,470.48/141,405.79 = 56,531.96/x
  3. Step 3: Cross multiply
    102,470.48x = 141,405.79 × 56,531.96
  4. Step 4: Simplify right side
    102,470.48x = 7,993,946,181.39
  5. Step 5: Solve for x
    x = 7,993,946,181.39/102,470.48
  6. Step 6: Final answer
    x = 78,012.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.