Home / 104,970.76-157,441.40-30,097.28

Finding the Fourth Proportional to 104,970.76, 157,441.40 and 30,097.28

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Solution

The fourth proportional to 104,970.76, 157,441.40 and 30,097.28 is: 45,141.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,970.76 : 157,441.40 = 30,097.28 : x
  2. Step 2: Convert to fraction form
    104,970.76/157,441.40 = 30,097.28/x
  3. Step 3: Cross multiply
    104,970.76x = 157,441.40 × 30,097.28
  4. Step 4: Simplify right side
    104,970.76x = 4,738,557,899.39
  5. Step 5: Solve for x
    x = 4,738,557,899.39/104,970.76
  6. Step 6: Final answer
    x = 45,141.69

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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.