Home / 189,232.24-284,045.20-139,368.64

Finding the Fourth Proportional to 189,232.24, 284,045.20 and 139,368.64

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Solution

The fourth proportional to 189,232.24, 284,045.20 and 139,368.64 is: 209,197.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,232.24 : 284,045.20 = 139,368.64 : x
  2. Step 2: Convert to fraction form
    189,232.24/284,045.20 = 139,368.64/x
  3. Step 3: Cross multiply
    189,232.24x = 284,045.20 × 139,368.64
  4. Step 4: Simplify right side
    189,232.24x = 39,586,993,222.53
  5. Step 5: Solve for x
    x = 39,586,993,222.53/189,232.24
  6. Step 6: Final answer
    x = 209,197.93

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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.