Home / 189,943.12-284,906.76-49,698.64

Finding the Fourth Proportional to 189,943.12, 284,906.76 and 49,698.64

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Solution

The fourth proportional to 189,943.12, 284,906.76 and 49,698.64 is: 74,545.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,943.12 : 284,906.76 = 49,698.64 : x
  2. Step 2: Convert to fraction form
    189,943.12/284,906.76 = 49,698.64/x
  3. Step 3: Cross multiply
    189,943.12x = 284,906.76 × 49,698.64
  4. Step 4: Simplify right side
    189,943.12x = 14,159,478,498.81
  5. Step 5: Solve for x
    x = 14,159,478,498.81/189,943.12
  6. Step 6: Final answer
    x = 74,545.89

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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.