Home / 155,058.93-213,920.26-89,604.56

Finding the Fourth Proportional to 155,058.93, 213,920.26 and 89,604.56

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Solution

The fourth proportional to 155,058.93, 213,920.26 and 89,604.56 is: 123,619.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,058.93 : 213,920.26 = 89,604.56 : x
  2. Step 2: Convert to fraction form
    155,058.93/213,920.26 = 89,604.56/x
  3. Step 3: Cross multiply
    155,058.93x = 213,920.26 × 89,604.56
  4. Step 4: Simplify right side
    155,058.93x = 19,168,231,083.17
  5. Step 5: Solve for x
    x = 19,168,231,083.17/155,058.93
  6. Step 6: Final answer
    x = 123,619.01

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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.