Home / 103,054.86-154,604.36-31,975.95

Finding the Fourth Proportional to 103,054.86, 154,604.36 and 31,975.95

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Solution

The fourth proportional to 103,054.86, 154,604.36 and 31,975.95 is: 47,970.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,054.86 : 154,604.36 = 31,975.95 : x
  2. Step 2: Convert to fraction form
    103,054.86/154,604.36 = 31,975.95/x
  3. Step 3: Cross multiply
    103,054.86x = 154,604.36 × 31,975.95
  4. Step 4: Simplify right side
    103,054.86x = 4,943,621,125.26
  5. Step 5: Solve for x
    x = 4,943,621,125.26/103,054.86
  6. Step 6: Final answer
    x = 47,970.77

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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.