Home / 77,218.06-115,902-37,265.16

Finding the Fourth Proportional to 77,218.06, 115,902 and 37,265.16

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Solution

The fourth proportional to 77,218.06, 115,902 and 37,265.16 is: 55,933.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,218.06 : 115,902 = 37,265.16 : x
  2. Step 2: Convert to fraction form
    77,218.06/115,902 = 37,265.16/x
  3. Step 3: Cross multiply
    77,218.06x = 115,902 × 37,265.16
  4. Step 4: Simplify right side
    77,218.06x = 4,319,106,574.32
  5. Step 5: Solve for x
    x = 4,319,106,574.32/77,218.06
  6. Step 6: Final answer
    x = 55,933.89

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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.