Home / 189,601.36-284,444.41-71,273.72

Finding the Fourth Proportional to 189,601.36, 284,444.41 and 71,273.72

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Solution

The fourth proportional to 189,601.36, 284,444.41 and 71,273.72 is: 106,926.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,601.36 : 284,444.41 = 71,273.72 : x
  2. Step 2: Convert to fraction form
    189,601.36/284,444.41 = 71,273.72/x
  3. Step 3: Cross multiply
    189,601.36x = 284,444.41 × 71,273.72
  4. Step 4: Simplify right side
    189,601.36x = 20,273,411,900.47
  5. Step 5: Solve for x
    x = 20,273,411,900.47/189,601.36
  6. Step 6: Final answer
    x = 106,926.51

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1.5x scale

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.