Home / 157,815.86-236,724.42-39,486.86

Finding the Fourth Proportional to 157,815.86, 236,724.42 and 39,486.86

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Solution

The fourth proportional to 157,815.86, 236,724.42 and 39,486.86 is: 59,230.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,815.86 : 236,724.42 = 39,486.86 : x
  2. Step 2: Convert to fraction form
    157,815.86/236,724.42 = 39,486.86/x
  3. Step 3: Cross multiply
    157,815.86x = 236,724.42 × 39,486.86
  4. Step 4: Simplify right side
    157,815.86x = 9,347,504,031.12
  5. Step 5: Solve for x
    x = 9,347,504,031.12/157,815.86
  6. Step 6: Final answer
    x = 59,230.45

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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.