Home / 123,686.34-185,559.73-39,446.51

Finding the Fourth Proportional to 123,686.34, 185,559.73 and 39,446.51

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Solution

The fourth proportional to 123,686.34, 185,559.73 and 39,446.51 is: 59,179.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,686.34 : 185,559.73 = 39,446.51 : x
  2. Step 2: Convert to fraction form
    123,686.34/185,559.73 = 39,446.51/x
  3. Step 3: Cross multiply
    123,686.34x = 185,559.73 × 39,446.51
  4. Step 4: Simplify right side
    123,686.34x = 7,319,682,718.63
  5. Step 5: Solve for x
    x = 7,319,682,718.63/123,686.34
  6. Step 6: Final answer
    x = 59,179.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.