Home / 157,678.32-236,522.88-51,059.64

Finding the Fourth Proportional to 157,678.32, 236,522.88 and 51,059.64

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Solution

The fourth proportional to 157,678.32, 236,522.88 and 51,059.64 is: 76,591.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,678.32 : 236,522.88 = 51,059.64 : x
  2. Step 2: Convert to fraction form
    157,678.32/236,522.88 = 51,059.64/x
  3. Step 3: Cross multiply
    157,678.32x = 236,522.88 × 51,059.64
  4. Step 4: Simplify right side
    157,678.32x = 12,076,773,104.56
  5. Step 5: Solve for x
    x = 12,076,773,104.56/157,678.32
  6. Step 6: Final answer
    x = 76,591.21

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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.