Home / 164,804.42-247,213.81-80,635.45

Finding the Fourth Proportional to 164,804.42, 247,213.81 and 80,635.45

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Solution

The fourth proportional to 164,804.42, 247,213.81 and 80,635.45 is: 120,956.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,804.42 : 247,213.81 = 80,635.45 : x
  2. Step 2: Convert to fraction form
    164,804.42/247,213.81 = 80,635.45/x
  3. Step 3: Cross multiply
    164,804.42x = 247,213.81 × 80,635.45
  4. Step 4: Simplify right side
    164,804.42x = 19,934,196,988.64
  5. Step 5: Solve for x
    x = 19,934,196,988.64/164,804.42
  6. Step 6: Final answer
    x = 120,956.69

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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.