Home / 155,782.34-214,979.73-84,162.32

Finding the Fourth Proportional to 155,782.34, 214,979.73 and 84,162.32

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Solution

The fourth proportional to 155,782.34, 214,979.73 and 84,162.32 is: 116,144.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,782.34 : 214,979.73 = 84,162.32 : x
  2. Step 2: Convert to fraction form
    155,782.34/214,979.73 = 84,162.32/x
  3. Step 3: Cross multiply
    155,782.34x = 214,979.73 × 84,162.32
  4. Step 4: Simplify right side
    155,782.34x = 18,093,192,829.77
  5. Step 5: Solve for x
    x = 18,093,192,829.77/155,782.34
  6. Step 6: Final answer
    x = 116,144.06

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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.