Home / 203,582.81-305,395.14-70,462.85

Finding the Fourth Proportional to 203,582.81, 305,395.14 and 70,462.85

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Solution

The fourth proportional to 203,582.81, 305,395.14 and 70,462.85 is: 105,701.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,582.81 : 305,395.14 = 70,462.85 : x
  2. Step 2: Convert to fraction form
    203,582.81/305,395.14 = 70,462.85/x
  3. Step 3: Cross multiply
    203,582.81x = 305,395.14 × 70,462.85
  4. Step 4: Simplify right side
    203,582.81x = 21,519,011,940.55
  5. Step 5: Solve for x
    x = 21,519,011,940.55/203,582.81
  6. Step 6: Final answer
    x = 105,701.52

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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.