Home / 189,296.32-261,224.88-104,421.28

Finding the Fourth Proportional to 189,296.32, 261,224.88 and 104,421.28

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Solution

The fourth proportional to 189,296.32, 261,224.88 and 104,421.28 is: 144,099.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,296.32 : 261,224.88 = 104,421.28 : x
  2. Step 2: Convert to fraction form
    189,296.32/261,224.88 = 104,421.28/x
  3. Step 3: Cross multiply
    189,296.32x = 261,224.88 × 104,421.28
  4. Step 4: Simplify right side
    189,296.32x = 27,277,436,337.45
  5. Step 5: Solve for x
    x = 27,277,436,337.45/189,296.32
  6. Step 6: Final answer
    x = 144,099.14

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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.