Home / 149,327.75-223,913.86-70,420.79

Finding the Fourth Proportional to 149,327.75, 223,913.86 and 70,420.79

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Solution

The fourth proportional to 149,327.75, 223,913.86 and 70,420.79 is: 105,594.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,327.75 : 223,913.86 = 70,420.79 : x
  2. Step 2: Convert to fraction form
    149,327.75/223,913.86 = 70,420.79/x
  3. Step 3: Cross multiply
    149,327.75x = 223,913.86 × 70,420.79
  4. Step 4: Simplify right side
    149,327.75x = 15,768,189,617.53
  5. Step 5: Solve for x
    x = 15,768,189,617.53/149,327.75
  6. Step 6: Final answer
    x = 105,594.51

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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.