Home / 161,629.94-242,527.95-71,734.25

Finding the Fourth Proportional to 161,629.94, 242,527.95 and 71,734.25

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Solution

The fourth proportional to 161,629.94, 242,527.95 and 71,734.25 is: 107,638.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,629.94 : 242,527.95 = 71,734.25 : x
  2. Step 2: Convert to fraction form
    161,629.94/242,527.95 = 71,734.25/x
  3. Step 3: Cross multiply
    161,629.94x = 242,527.95 × 71,734.25
  4. Step 4: Simplify right side
    161,629.94x = 17,397,559,384.65
  5. Step 5: Solve for x
    x = 17,397,559,384.65/161,629.94
  6. Step 6: Final answer
    x = 107,638.23

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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.