Home / 140,453.72-210,701.61-51,700.46

Finding the Fourth Proportional to 140,453.72, 210,701.61 and 51,700.46

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Solution

The fourth proportional to 140,453.72, 210,701.61 and 51,700.46 is: 77,558.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,453.72 : 210,701.61 = 51,700.46 : x
  2. Step 2: Convert to fraction form
    140,453.72/210,701.61 = 51,700.46/x
  3. Step 3: Cross multiply
    140,453.72x = 210,701.61 × 51,700.46
  4. Step 4: Simplify right side
    140,453.72x = 10,893,370,159.74
  5. Step 5: Solve for x
    x = 10,893,370,159.74/140,453.72
  6. Step 6: Final answer
    x = 77,558.43

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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.