Home / 140,297.86-210,477.88-40,450.26

Finding the Fourth Proportional to 140,297.86, 210,477.88 and 40,450.26

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Solution

The fourth proportional to 140,297.86, 210,477.88 and 40,450.26 is: 60,684.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,297.86 : 210,477.88 = 40,450.26 : x
  2. Step 2: Convert to fraction form
    140,297.86/210,477.88 = 40,450.26/x
  3. Step 3: Cross multiply
    140,297.86x = 210,477.88 × 40,450.26
  4. Step 4: Simplify right side
    140,297.86x = 8,513,884,970.25
  5. Step 5: Solve for x
    x = 8,513,884,970.25/140,297.86
  6. Step 6: Final answer
    x = 60,684.35

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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.