Home / 131,784.45-197,688.81-43,038.42

Finding the Fourth Proportional to 131,784.45, 197,688.81 and 43,038.42

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Solution

The fourth proportional to 131,784.45, 197,688.81 and 43,038.42 is: 64,561.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,784.45 : 197,688.81 = 43,038.42 : x
  2. Step 2: Convert to fraction form
    131,784.45/197,688.81 = 43,038.42/x
  3. Step 3: Cross multiply
    131,784.45x = 197,688.81 × 43,038.42
  4. Step 4: Simplify right side
    131,784.45x = 8,508,214,034.08
  5. Step 5: Solve for x
    x = 8,508,214,034.08/131,784.45
  6. Step 6: Final answer
    x = 64,561.59

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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.