Home / 146,020.23-201,509.82-84,780.78

Finding the Fourth Proportional to 146,020.23, 201,509.82 and 84,780.78

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Solution

The fourth proportional to 146,020.23, 201,509.82 and 84,780.78 is: 116,998.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,020.23 : 201,509.82 = 84,780.78 : x
  2. Step 2: Convert to fraction form
    146,020.23/201,509.82 = 84,780.78/x
  3. Step 3: Cross multiply
    146,020.23x = 201,509.82 × 84,780.78
  4. Step 4: Simplify right side
    146,020.23x = 17,084,159,929.21
  5. Step 5: Solve for x
    x = 17,084,159,929.21/146,020.23
  6. Step 6: Final answer
    x = 116,998.58

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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.