Home / 147,116.40-220,501.80-68,063.64

Finding the Fourth Proportional to 147,116.40, 220,501.80 and 68,063.64

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Solution

The fourth proportional to 147,116.40, 220,501.80 and 68,063.64 is: 102,015.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,116.40 : 220,501.80 = 68,063.64 : x
  2. Step 2: Convert to fraction form
    147,116.40/220,501.80 = 68,063.64/x
  3. Step 3: Cross multiply
    147,116.40x = 220,501.80 × 68,063.64
  4. Step 4: Simplify right side
    147,116.40x = 15,008,155,134.55
  5. Step 5: Solve for x
    x = 15,008,155,134.55/147,116.40
  6. Step 6: Final answer
    x = 102,015.51

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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.