Home / 199,532.87-275,364.33-112,347.98

Finding the Fourth Proportional to 199,532.87, 275,364.33 and 112,347.98

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Solution

The fourth proportional to 199,532.87, 275,364.33 and 112,347.98 is: 155,045.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,532.87 : 275,364.33 = 112,347.98 : x
  2. Step 2: Convert to fraction form
    199,532.87/275,364.33 = 112,347.98/x
  3. Step 3: Cross multiply
    199,532.87x = 275,364.33 × 112,347.98
  4. Step 4: Simplify right side
    199,532.87x = 30,936,625,474.04
  5. Step 5: Solve for x
    x = 30,936,625,474.04/199,532.87
  6. Step 6: Final answer
    x = 155,045.26

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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.