Home / 115,028.12-158,742.31-62,643.55

Finding the Fourth Proportional to 115,028.12, 158,742.31 and 62,643.55

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Solution

The fourth proportional to 115,028.12, 158,742.31 and 62,643.55 is: 86,450.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,028.12 : 158,742.31 = 62,643.55 : x
  2. Step 2: Convert to fraction form
    115,028.12/158,742.31 = 62,643.55/x
  3. Step 3: Cross multiply
    115,028.12x = 158,742.31 × 62,643.55
  4. Step 4: Simplify right side
    115,028.12x = 9,944,181,039.89
  5. Step 5: Solve for x
    x = 9,944,181,039.89/115,028.12
  6. Step 6: Final answer
    x = 86,450.00

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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.