Home / 140,317.04-210,426.05-40,450.32

Finding the Fourth Proportional to 140,317.04, 210,426.05 and 40,450.32

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Solution

The fourth proportional to 140,317.04, 210,426.05 and 40,450.32 is: 60,661.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,317.04 : 210,426.05 = 40,450.32 : x
  2. Step 2: Convert to fraction form
    140,317.04/210,426.05 = 40,450.32/x
  3. Step 3: Cross multiply
    140,317.04x = 210,426.05 × 40,450.32
  4. Step 4: Simplify right side
    140,317.04x = 8,511,801,159.96
  5. Step 5: Solve for x
    x = 8,511,801,159.96/140,317.04
  6. Step 6: Final answer
    x = 60,661.21

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1.5x scale

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.