Home / 143,071.46-214,611.70-68,199.74

Finding the Fourth Proportional to 143,071.46, 214,611.70 and 68,199.74

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Solution

The fourth proportional to 143,071.46, 214,611.70 and 68,199.74 is: 102,301.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,071.46 : 214,611.70 = 68,199.74 : x
  2. Step 2: Convert to fraction form
    143,071.46/214,611.70 = 68,199.74/x
  3. Step 3: Cross multiply
    143,071.46x = 214,611.70 × 68,199.74
  4. Step 4: Simplify right side
    143,071.46x = 14,636,462,140.96
  5. Step 5: Solve for x
    x = 14,636,462,140.96/143,071.46
  6. Step 6: Final answer
    x = 102,301.76

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1.5x scale

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.