Home / 189,459.96-261,436.13-104,571.55

Finding the Fourth Proportional to 189,459.96, 261,436.13 and 104,571.55

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Solution

The fourth proportional to 189,459.96, 261,436.13 and 104,571.55 is: 144,298.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,459.96 : 261,436.13 = 104,571.55 : x
  2. Step 2: Convert to fraction form
    189,459.96/261,436.13 = 104,571.55/x
  3. Step 3: Cross multiply
    189,459.96x = 261,436.13 × 104,571.55
  4. Step 4: Simplify right side
    189,459.96x = 27,338,780,817.24
  5. Step 5: Solve for x
    x = 27,338,780,817.24/189,459.96
  6. Step 6: Final answer
    x = 144,298.47

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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.