Home / 156,966.70-235,450.05-51,760.30

Finding the Fourth Proportional to 156,966.70, 235,450.05 and 51,760.30

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Solution

The fourth proportional to 156,966.70, 235,450.05 and 51,760.30 is: 77,640.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,966.70 : 235,450.05 = 51,760.30 : x
  2. Step 2: Convert to fraction form
    156,966.70/235,450.05 = 51,760.30/x
  3. Step 3: Cross multiply
    156,966.70x = 235,450.05 × 51,760.30
  4. Step 4: Simplify right side
    156,966.70x = 12,186,965,223.02
  5. Step 5: Solve for x
    x = 12,186,965,223.02/156,966.70
  6. Step 6: Final answer
    x = 77,640.45

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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.