Home / 140,446.46-210,571.27-51,688.42

Finding the Fourth Proportional to 140,446.46, 210,571.27 and 51,688.42

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Solution

The fourth proportional to 140,446.46, 210,571.27 and 51,688.42 is: 77,496.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,446.46 : 210,571.27 = 51,688.42 : x
  2. Step 2: Convert to fraction form
    140,446.46/210,571.27 = 51,688.42/x
  3. Step 3: Cross multiply
    140,446.46x = 210,571.27 × 51,688.42
  4. Step 4: Simplify right side
    140,446.46x = 10,884,095,588.04
  5. Step 5: Solve for x
    x = 10,884,095,588.04/140,446.46
  6. Step 6: Final answer
    x = 77,496.40

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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.