Home / 189,405.07-261,378.08-104,527.33

Finding the Fourth Proportional to 189,405.07, 261,378.08 and 104,527.33

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Solution

The fourth proportional to 189,405.07, 261,378.08 and 104,527.33 is: 144,247.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,405.07 : 261,378.08 = 104,527.33 : x
  2. Step 2: Convert to fraction form
    189,405.07/261,378.08 = 104,527.33/x
  3. Step 3: Cross multiply
    189,405.07x = 261,378.08 × 104,527.33
  4. Step 4: Simplify right side
    189,405.07x = 27,321,152,822.93
  5. Step 5: Solve for x
    x = 27,321,152,822.93/189,405.07
  6. Step 6: Final answer
    x = 144,247.21

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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.