Home / 189,371.15-261,333.08-104,488.21

Finding the Fourth Proportional to 189,371.15, 261,333.08 and 104,488.21

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Solution

The fourth proportional to 189,371.15, 261,333.08 and 104,488.21 is: 144,194.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,371.15 : 261,333.08 = 104,488.21 : x
  2. Step 2: Convert to fraction form
    189,371.15/261,333.08 = 104,488.21/x
  3. Step 3: Cross multiply
    189,371.15x = 261,333.08 × 104,488.21
  4. Step 4: Simplify right side
    189,371.15x = 27,306,226,526.79
  5. Step 5: Solve for x
    x = 27,306,226,526.79/189,371.15
  6. Step 6: Final answer
    x = 144,194.23

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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.