Home / 104,600.80-157,031.18-104,121.28

Finding the Fourth Proportional to 104,600.80, 157,031.18 and 104,121.28

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Solution

The fourth proportional to 104,600.80, 157,031.18 and 104,121.28 is: 156,311.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,600.80 : 157,031.18 = 104,121.28 : x
  2. Step 2: Convert to fraction form
    104,600.80/157,031.18 = 104,121.28/x
  3. Step 3: Cross multiply
    104,600.80x = 157,031.18 × 104,121.28
  4. Step 4: Simplify right side
    104,600.80x = 16,350,287,461.51
  5. Step 5: Solve for x
    x = 16,350,287,461.51/104,600.80
  6. Step 6: Final answer
    x = 156,311.30

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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.