Home / 104,032.20-156,048.30-102,995.40

Finding the Fourth Proportional to 104,032.20, 156,048.30 and 102,995.40

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Solution

The fourth proportional to 104,032.20, 156,048.30 and 102,995.40 is: 154,493.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,032.20 : 156,048.30 = 102,995.40 : x
  2. Step 2: Convert to fraction form
    104,032.20/156,048.30 = 102,995.40/x
  3. Step 3: Cross multiply
    104,032.20x = 156,048.30 × 102,995.40
  4. Step 4: Simplify right side
    104,032.20x = 16,072,257,077.82
  5. Step 5: Solve for x
    x = 16,072,257,077.82/104,032.20
  6. Step 6: Final answer
    x = 154,493.10

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1.5x scale

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.