Home / 199,541.34-299,366.69-99,580.86

Finding the Fourth Proportional to 199,541.34, 299,366.69 and 99,580.86

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Solution

The fourth proportional to 199,541.34, 299,366.69 and 99,580.86 is: 149,398.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,541.34 : 299,366.69 = 99,580.86 : x
  2. Step 2: Convert to fraction form
    199,541.34/299,366.69 = 99,580.86/x
  3. Step 3: Cross multiply
    199,541.34x = 299,366.69 × 99,580.86
  4. Step 4: Simplify right side
    199,541.34x = 29,811,191,947.65
  5. Step 5: Solve for x
    x = 29,811,191,947.65/199,541.34
  6. Step 6: Final answer
    x = 149,398.58

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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.