Home / 86,964.23-130,504.80-30,804.14

Finding the Fourth Proportional to 86,964.23, 130,504.80 and 30,804.14

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Solution

The fourth proportional to 86,964.23, 130,504.80 and 30,804.14 is: 46,226.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,964.23 : 130,504.80 = 30,804.14 : x
  2. Step 2: Convert to fraction form
    86,964.23/130,504.80 = 30,804.14/x
  3. Step 3: Cross multiply
    86,964.23x = 130,504.80 × 30,804.14
  4. Step 4: Simplify right side
    86,964.23x = 4,020,088,129.87
  5. Step 5: Solve for x
    x = 4,020,088,129.87/86,964.23
  6. Step 6: Final answer
    x = 46,226.92

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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.