Home / 134,144.92-185,129.04-76,802.32

Finding the Fourth Proportional to 134,144.92, 185,129.04 and 76,802.32

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Solution

The fourth proportional to 134,144.92, 185,129.04 and 76,802.32 is: 105,992.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,144.92 : 185,129.04 = 76,802.32 : x
  2. Step 2: Convert to fraction form
    134,144.92/185,129.04 = 76,802.32/x
  3. Step 3: Cross multiply
    134,144.92x = 185,129.04 × 76,802.32
  4. Step 4: Simplify right side
    134,144.92x = 14,218,339,771.37
  5. Step 5: Solve for x
    x = 14,218,339,771.37/134,144.92
  6. Step 6: Final answer
    x = 105,992.38

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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.