Home / 157,783.86-236,640.42-45,439.02

Finding the Fourth Proportional to 157,783.86, 236,640.42 and 45,439.02

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Solution

The fourth proportional to 157,783.86, 236,640.42 and 45,439.02 is: 68,148.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,783.86 : 236,640.42 = 45,439.02 : x
  2. Step 2: Convert to fraction form
    157,783.86/236,640.42 = 45,439.02/x
  3. Step 3: Cross multiply
    157,783.86x = 236,640.42 × 45,439.02
  4. Step 4: Simplify right side
    157,783.86x = 10,752,708,777.19
  5. Step 5: Solve for x
    x = 10,752,708,777.19/157,783.86
  6. Step 6: Final answer
    x = 68,148.34

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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.