Home / 189,270.24-284,102.28-139,406.64

Finding the Fourth Proportional to 189,270.24, 284,102.28 and 139,406.64

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Solution

The fourth proportional to 189,270.24, 284,102.28 and 139,406.64 is: 209,255.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,270.24 : 284,102.28 = 139,406.64 : x
  2. Step 2: Convert to fraction form
    189,270.24/284,102.28 = 139,406.64/x
  3. Step 3: Cross multiply
    189,270.24x = 284,102.28 × 139,406.64
  4. Step 4: Simplify right side
    189,270.24x = 39,605,744,271.14
  5. Step 5: Solve for x
    x = 39,605,744,271.14/189,270.24
  6. Step 6: Final answer
    x = 209,255.00

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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.