Home / 200,271.29-276,365.45-109,631.07

Finding the Fourth Proportional to 200,271.29, 276,365.45 and 109,631.07

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Solution

The fourth proportional to 200,271.29, 276,365.45 and 109,631.07 is: 151,285.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,271.29 : 276,365.45 = 109,631.07 : x
  2. Step 2: Convert to fraction form
    200,271.29/276,365.45 = 109,631.07/x
  3. Step 3: Cross multiply
    200,271.29x = 276,365.45 × 109,631.07
  4. Step 4: Simplify right side
    200,271.29x = 30,298,240,268.61
  5. Step 5: Solve for x
    x = 30,298,240,268.61/200,271.29
  6. Step 6: Final answer
    x = 151,285.99

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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.