Home / 140,356.55-210,618.21-51,672.35

Finding the Fourth Proportional to 140,356.55, 210,618.21 and 51,672.35

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Solution

The fourth proportional to 140,356.55, 210,618.21 and 51,672.35 is: 77,539.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,356.55 : 210,618.21 = 51,672.35 : x
  2. Step 2: Convert to fraction form
    140,356.55/210,618.21 = 51,672.35/x
  3. Step 3: Cross multiply
    140,356.55x = 210,618.21 × 51,672.35
  4. Step 4: Simplify right side
    140,356.55x = 10,883,137,863.49
  5. Step 5: Solve for x
    x = 10,883,137,863.49/140,356.55
  6. Step 6: Final answer
    x = 77,539.22

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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.