Home / 140,259.48-210,339.81-40,392.96

Finding the Fourth Proportional to 140,259.48, 210,339.81 and 40,392.96

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Solution

The fourth proportional to 140,259.48, 210,339.81 and 40,392.96 is: 60,575.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,259.48 : 210,339.81 = 40,392.96 : x
  2. Step 2: Convert to fraction form
    140,259.48/210,339.81 = 40,392.96/x
  3. Step 3: Cross multiply
    140,259.48x = 210,339.81 × 40,392.96
  4. Step 4: Simplify right side
    140,259.48x = 8,496,247,531.74
  5. Step 5: Solve for x
    x = 8,496,247,531.74/140,259.48
  6. Step 6: Final answer
    x = 60,575.21

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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.