Home / 99,028.16-136,659.04-54,316.48

Finding the Fourth Proportional to 99,028.16, 136,659.04 and 54,316.48

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Solution

The fourth proportional to 99,028.16, 136,659.04 and 54,316.48 is: 74,956.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,028.16 : 136,659.04 = 54,316.48 : x
  2. Step 2: Convert to fraction form
    99,028.16/136,659.04 = 54,316.48/x
  3. Step 3: Cross multiply
    99,028.16x = 136,659.04 × 54,316.48
  4. Step 4: Simplify right side
    99,028.16x = 7,422,838,012.98
  5. Step 5: Solve for x
    x = 7,422,838,012.98/99,028.16
  6. Step 6: Final answer
    x = 74,956.84

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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.