Home / 86,908.20-130,364.73-30,740.37

Finding the Fourth Proportional to 86,908.20, 130,364.73 and 30,740.37

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Solution

The fourth proportional to 86,908.20, 130,364.73 and 30,740.37 is: 46,111.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,908.20 : 130,364.73 = 30,740.37 : x
  2. Step 2: Convert to fraction form
    86,908.20/130,364.73 = 30,740.37/x
  3. Step 3: Cross multiply
    86,908.20x = 130,364.73 × 30,740.37
  4. Step 4: Simplify right side
    86,908.20x = 4,007,460,035.15
  5. Step 5: Solve for x
    x = 4,007,460,035.15/86,908.20
  6. Step 6: Final answer
    x = 46,111.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.