Home / 149,956.17-225,045-71,070.63

Finding the Fourth Proportional to 149,956.17, 225,045 and 71,070.63

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Solution

The fourth proportional to 149,956.17, 225,045 and 71,070.63 is: 106,658.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,956.17 : 225,045 = 71,070.63 : x
  2. Step 2: Convert to fraction form
    149,956.17/225,045 = 71,070.63/x
  3. Step 3: Cross multiply
    149,956.17x = 225,045 × 71,070.63
  4. Step 4: Simplify right side
    149,956.17x = 15,994,089,928.35
  5. Step 5: Solve for x
    x = 15,994,089,928.35/149,956.17
  6. Step 6: Final answer
    x = 106,658.43

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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.