Home / 189,297.02-283,912.23-69,329.18

Finding the Fourth Proportional to 189,297.02, 283,912.23 and 69,329.18

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Solution

The fourth proportional to 189,297.02, 283,912.23 and 69,329.18 is: 103,981.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,297.02 : 283,912.23 = 69,329.18 : x
  2. Step 2: Convert to fraction form
    189,297.02/283,912.23 = 69,329.18/x
  3. Step 3: Cross multiply
    189,297.02x = 283,912.23 × 69,329.18
  4. Step 4: Simplify right side
    189,297.02x = 19,683,402,097.87
  5. Step 5: Solve for x
    x = 19,683,402,097.87/189,297.02
  6. Step 6: Final answer
    x = 103,981.57

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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.