Home / 199,715.65-275,606.94-119,146.57

Finding the Fourth Proportional to 199,715.65, 275,606.94 and 119,146.57

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Solution

The fourth proportional to 199,715.65, 275,606.94 and 119,146.57 is: 164,421.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,715.65 : 275,606.94 = 119,146.57 : x
  2. Step 2: Convert to fraction form
    199,715.65/275,606.94 = 119,146.57/x
  3. Step 3: Cross multiply
    199,715.65x = 275,606.94 × 119,146.57
  4. Step 4: Simplify right side
    199,715.65x = 32,837,621,569.20
  5. Step 5: Solve for x
    x = 32,837,621,569.20/199,715.65
  6. Step 6: Final answer
    x = 164,421.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.