Home / 189,146.34-261,022.77-104,261.58

Finding the Fourth Proportional to 189,146.34, 261,022.77 and 104,261.58

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Solution

The fourth proportional to 189,146.34, 261,022.77 and 104,261.58 is: 143,881.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,146.34 : 261,022.77 = 104,261.58 : x
  2. Step 2: Convert to fraction form
    189,146.34/261,022.77 = 104,261.58/x
  3. Step 3: Cross multiply
    189,146.34x = 261,022.77 × 104,261.58
  4. Step 4: Simplify right side
    189,146.34x = 27,214,646,416.18
  5. Step 5: Solve for x
    x = 27,214,646,416.18/189,146.34
  6. Step 6: Final answer
    x = 143,881.43

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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.