Home / 102,975.74-154,433.77-30,925.75

Finding the Fourth Proportional to 102,975.74, 154,433.77 and 30,925.75

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Solution

The fourth proportional to 102,975.74, 154,433.77 and 30,925.75 is: 46,379.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,975.74 : 154,433.77 = 30,925.75 : x
  2. Step 2: Convert to fraction form
    102,975.74/154,433.77 = 30,925.75/x
  3. Step 3: Cross multiply
    102,975.74x = 154,433.77 × 30,925.75
  4. Step 4: Simplify right side
    102,975.74x = 4,775,980,162.58
  5. Step 5: Solve for x
    x = 4,775,980,162.58/102,975.74
  6. Step 6: Final answer
    x = 46,379.66

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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.