Home / 98,844.46-148,988.51-90,429.37

Finding the Fourth Proportional to 98,844.46, 148,988.51 and 90,429.37

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Solution

The fourth proportional to 98,844.46, 148,988.51 and 90,429.37 is: 136,304.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,844.46 : 148,988.51 = 90,429.37 : x
  2. Step 2: Convert to fraction form
    98,844.46/148,988.51 = 90,429.37/x
  3. Step 3: Cross multiply
    98,844.46x = 148,988.51 × 90,429.37
  4. Step 4: Simplify right side
    98,844.46x = 13,472,937,096.54
  5. Step 5: Solve for x
    x = 13,472,937,096.54/98,844.46
  6. Step 6: Final answer
    x = 136,304.42

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.