Home / 146,660.12-202,078.32-98,830.40

Finding the Fourth Proportional to 146,660.12, 202,078.32 and 98,830.40

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Solution

The fourth proportional to 146,660.12, 202,078.32 and 98,830.40 is: 136,175.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,660.12 : 202,078.32 = 98,830.40 : x
  2. Step 2: Convert to fraction form
    146,660.12/202,078.32 = 98,830.40/x
  3. Step 3: Cross multiply
    146,660.12x = 202,078.32 × 98,830.40
  4. Step 4: Simplify right side
    146,660.12x = 19,971,481,196.93
  5. Step 5: Solve for x
    x = 19,971,481,196.93/146,660.12
  6. Step 6: Final answer
    x = 136,175.27

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1.5x scale

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.