Home / 189,422.07-261,401.25-104,539.14

Finding the Fourth Proportional to 189,422.07, 261,401.25 and 104,539.14

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Solution

The fourth proportional to 189,422.07, 261,401.25 and 104,539.14 is: 144,263.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,422.07 : 261,401.25 = 104,539.14 : x
  2. Step 2: Convert to fraction form
    189,422.07/261,401.25 = 104,539.14/x
  3. Step 3: Cross multiply
    189,422.07x = 261,401.25 × 104,539.14
  4. Step 4: Simplify right side
    189,422.07x = 27,326,661,869.93
  5. Step 5: Solve for x
    x = 27,326,661,869.93/189,422.07
  6. Step 6: Final answer
    x = 144,263.35

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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.