Home / 140,360.90-210,478.80-40,497.35

Finding the Fourth Proportional to 140,360.90, 210,478.80 and 40,497.35

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Solution

The fourth proportional to 140,360.90, 210,478.80 and 40,497.35 is: 60,727.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,360.90 : 210,478.80 = 40,497.35 : x
  2. Step 2: Convert to fraction form
    140,360.90/210,478.80 = 40,497.35/x
  3. Step 3: Cross multiply
    140,360.90x = 210,478.80 × 40,497.35
  4. Step 4: Simplify right side
    140,360.90x = 8,523,832,578.79
  5. Step 5: Solve for x
    x = 8,523,832,578.79/140,360.90
  6. Step 6: Final answer
    x = 60,727.97

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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.