Home / 104,711.58-156,953.13-51,440.22

Finding the Fourth Proportional to 104,711.58, 156,953.13 and 51,440.22

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Solution

The fourth proportional to 104,711.58, 156,953.13 and 51,440.22 is: 77,104.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,711.58 : 156,953.13 = 51,440.22 : x
  2. Step 2: Convert to fraction form
    104,711.58/156,953.13 = 51,440.22/x
  3. Step 3: Cross multiply
    104,711.58x = 156,953.13 × 51,440.22
  4. Step 4: Simplify right side
    104,711.58x = 8,073,703,536.89
  5. Step 5: Solve for x
    x = 8,073,703,536.89/104,711.58
  6. Step 6: Final answer
    x = 77,104.21

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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.