Home / 140,589.54-210,881.61-40,745.70

Finding the Fourth Proportional to 140,589.54, 210,881.61 and 40,745.70

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Solution

The fourth proportional to 140,589.54, 210,881.61 and 40,745.70 is: 61,117.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,589.54 : 210,881.61 = 40,745.70 : x
  2. Step 2: Convert to fraction form
    140,589.54/210,881.61 = 40,745.70/x
  3. Step 3: Cross multiply
    140,589.54x = 210,881.61 × 40,745.70
  4. Step 4: Simplify right side
    140,589.54x = 8,592,518,816.58
  5. Step 5: Solve for x
    x = 8,592,518,816.58/140,589.54
  6. Step 6: Final answer
    x = 61,117.77

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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.