Home / 140,233.95-210,303.24-45,438.44

Finding the Fourth Proportional to 140,233.95, 210,303.24 and 45,438.44

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Solution

The fourth proportional to 140,233.95, 210,303.24 and 45,438.44 is: 68,142.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,233.95 : 210,303.24 = 45,438.44 : x
  2. Step 2: Convert to fraction form
    140,233.95/210,303.24 = 45,438.44/x
  3. Step 3: Cross multiply
    140,233.95x = 210,303.24 × 45,438.44
  4. Step 4: Simplify right side
    140,233.95x = 9,555,849,930.64
  5. Step 5: Solve for x
    x = 9,555,849,930.64/140,233.95
  6. Step 6: Final answer
    x = 68,142.20

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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.