Home / 104,522.12-144,161.05-72,310.34

Finding the Fourth Proportional to 104,522.12, 144,161.05 and 72,310.34

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Solution

The fourth proportional to 104,522.12, 144,161.05 and 72,310.34 is: 99,733.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,522.12 : 144,161.05 = 72,310.34 : x
  2. Step 2: Convert to fraction form
    104,522.12/144,161.05 = 72,310.34/x
  3. Step 3: Cross multiply
    104,522.12x = 144,161.05 × 72,310.34
  4. Step 4: Simplify right side
    104,522.12x = 10,424,334,178.71
  5. Step 5: Solve for x
    x = 10,424,334,178.71/104,522.12
  6. Step 6: Final answer
    x = 99,733.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.