Home / 200,401.80-276,557.60-109,756.12

Finding the Fourth Proportional to 200,401.80, 276,557.60 and 109,756.12

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Solution

The fourth proportional to 200,401.80, 276,557.60 and 109,756.12 is: 151,465.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,401.80 : 276,557.60 = 109,756.12 : x
  2. Step 2: Convert to fraction form
    200,401.80/276,557.60 = 109,756.12/x
  3. Step 3: Cross multiply
    200,401.80x = 276,557.60 × 109,756.12
  4. Step 4: Simplify right side
    200,401.80x = 30,353,889,132.51
  5. Step 5: Solve for x
    x = 30,353,889,132.51/200,401.80
  6. Step 6: Final answer
    x = 151,465.15

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1.5x scale

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.