Home / 140,288.68-210,516.87-51,551.16

Finding the Fourth Proportional to 140,288.68, 210,516.87 and 51,551.16

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Solution

The fourth proportional to 140,288.68, 210,516.87 and 51,551.16 is: 77,357.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,288.68 : 210,516.87 = 51,551.16 : x
  2. Step 2: Convert to fraction form
    140,288.68/210,516.87 = 51,551.16/x
  3. Step 3: Cross multiply
    140,288.68x = 210,516.87 × 51,551.16
  4. Step 4: Simplify right side
    140,288.68x = 10,852,388,848.07
  5. Step 5: Solve for x
    x = 10,852,388,848.07/140,288.68
  6. Step 6: Final answer
    x = 77,357.55

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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.