Home / 189,141.24-261,016.16-104,258.40

Finding the Fourth Proportional to 189,141.24, 261,016.16 and 104,258.40

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Solution

The fourth proportional to 189,141.24, 261,016.16 and 104,258.40 is: 143,877.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,141.24 : 261,016.16 = 104,258.40 : x
  2. Step 2: Convert to fraction form
    189,141.24/261,016.16 = 104,258.40/x
  3. Step 3: Cross multiply
    189,141.24x = 261,016.16 × 104,258.40
  4. Step 4: Simplify right side
    189,141.24x = 27,213,127,215.74
  5. Step 5: Solve for x
    x = 27,213,127,215.74/189,141.24
  6. Step 6: Final answer
    x = 143,877.28

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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.