Home / 154,643.04-213,399.36-91,015.92

Finding the Fourth Proportional to 154,643.04, 213,399.36 and 91,015.92

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Solution

The fourth proportional to 154,643.04, 213,399.36 and 91,015.92 is: 125,597.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,643.04 : 213,399.36 = 91,015.92 : x
  2. Step 2: Convert to fraction form
    154,643.04/213,399.36 = 91,015.92/x
  3. Step 3: Cross multiply
    154,643.04x = 213,399.36 × 91,015.92
  4. Step 4: Simplify right side
    154,643.04x = 19,422,739,077.81
  5. Step 5: Solve for x
    x = 19,422,739,077.81/154,643.04
  6. Step 6: Final answer
    x = 125,597.24

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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.