Home / 231,143.20-345,946.80-167,783.20

Finding the Fourth Proportional to 231,143.20, 345,946.80 and 167,783.20

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Solution

The fourth proportional to 231,143.20, 345,946.80 and 167,783.20 is: 251,117.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,143.20 : 345,946.80 = 167,783.20 : x
  2. Step 2: Convert to fraction form
    231,143.20/345,946.80 = 167,783.20/x
  3. Step 3: Cross multiply
    231,143.20x = 345,946.80 × 167,783.20
  4. Step 4: Simplify right side
    231,143.20x = 58,044,061,133.76
  5. Step 5: Solve for x
    x = 58,044,061,133.76/231,143.20
  6. Step 6: Final answer
    x = 251,117.32

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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.