Home / 142,714.75-196,946.37-79,056.67

Finding the Fourth Proportional to 142,714.75, 196,946.37 and 79,056.67

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Solution

The fourth proportional to 142,714.75, 196,946.37 and 79,056.67 is: 109,098.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,714.75 : 196,946.37 = 79,056.67 : x
  2. Step 2: Convert to fraction form
    142,714.75/196,946.37 = 79,056.67/x
  3. Step 3: Cross multiply
    142,714.75x = 196,946.37 × 79,056.67
  4. Step 4: Simplify right side
    142,714.75x = 15,569,924,180.79
  5. Step 5: Solve for x
    x = 15,569,924,180.79/142,714.75
  6. Step 6: Final answer
    x = 109,098.21

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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.