Home / 200,313.81-276,433.29-109,670.49

Finding the Fourth Proportional to 200,313.81, 276,433.29 and 109,670.49

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Solution

The fourth proportional to 200,313.81, 276,433.29 and 109,670.49 is: 151,345.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,313.81 : 276,433.29 = 109,670.49 : x
  2. Step 2: Convert to fraction form
    200,313.81/276,433.29 = 109,670.49/x
  3. Step 3: Cross multiply
    200,313.81x = 276,433.29 × 109,670.49
  4. Step 4: Simplify right side
    200,313.81x = 30,316,574,366.61
  5. Step 5: Solve for x
    x = 30,316,574,366.61/200,313.81
  6. Step 6: Final answer
    x = 151,345.40

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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.