Home / 439,567.08-659,314.14-140,035.56

Finding the Fourth Proportional to 439,567.08, 659,314.14 and 140,035.56

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Solution

The fourth proportional to 439,567.08, 659,314.14 and 140,035.56 is: 210,041.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,567.08 : 659,314.14 = 140,035.56 : x
  2. Step 2: Convert to fraction form
    439,567.08/659,314.14 = 140,035.56/x
  3. Step 3: Cross multiply
    439,567.08x = 659,314.14 × 140,035.56
  4. Step 4: Simplify right side
    439,567.08x = 92,327,424,810.82
  5. Step 5: Solve for x
    x = 92,327,424,810.82/439,567.08
  6. Step 6: Final answer
    x = 210,041.72

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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.