Home / 140,069.52-210,076.02-51,292.71

Finding the Fourth Proportional to 140,069.52, 210,076.02 and 51,292.71

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Solution

The fourth proportional to 140,069.52, 210,076.02 and 51,292.71 is: 76,928.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,069.52 : 210,076.02 = 51,292.71 : x
  2. Step 2: Convert to fraction form
    140,069.52/210,076.02 = 51,292.71/x
  3. Step 3: Cross multiply
    140,069.52x = 210,076.02 × 51,292.71
  4. Step 4: Simplify right side
    140,069.52x = 10,775,368,371.81
  5. Step 5: Solve for x
    x = 10,775,368,371.81/140,069.52
  6. Step 6: Final answer
    x = 76,928.72

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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.