Home / 140,355.55-210,616.71-51,671.35

Finding the Fourth Proportional to 140,355.55, 210,616.71 and 51,671.35

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Solution

The fourth proportional to 140,355.55, 210,616.71 and 51,671.35 is: 77,537.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,355.55 : 210,616.71 = 51,671.35 : x
  2. Step 2: Convert to fraction form
    140,355.55/210,616.71 = 51,671.35/x
  3. Step 3: Cross multiply
    140,355.55x = 210,616.71 × 51,671.35
  4. Step 4: Simplify right side
    140,355.55x = 10,882,849,738.26
  5. Step 5: Solve for x
    x = 10,882,849,738.26/140,355.55
  6. Step 6: Final answer
    x = 77,537.72

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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.