Home / 142,352.50-196,448.78-84,996.83

Finding the Fourth Proportional to 142,352.50, 196,448.78 and 84,996.83

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Solution

The fourth proportional to 142,352.50, 196,448.78 and 84,996.83 is: 117,297.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,352.50 : 196,448.78 = 84,996.83 : x
  2. Step 2: Convert to fraction form
    142,352.50/196,448.78 = 84,996.83/x
  3. Step 3: Cross multiply
    142,352.50x = 196,448.78 × 84,996.83
  4. Step 4: Simplify right side
    142,352.50x = 16,697,524,420.35
  5. Step 5: Solve for x
    x = 16,697,524,420.35/142,352.50
  6. Step 6: Final answer
    x = 117,297.02

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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.