Home / 98,374.72-147,563.40-30,904.56

Finding the Fourth Proportional to 98,374.72, 147,563.40 and 30,904.56

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Solution

The fourth proportional to 98,374.72, 147,563.40 and 30,904.56 is: 46,357.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,374.72 : 147,563.40 = 30,904.56 : x
  2. Step 2: Convert to fraction form
    98,374.72/147,563.40 = 30,904.56/x
  3. Step 3: Cross multiply
    98,374.72x = 147,563.40 × 30,904.56
  4. Step 4: Simplify right side
    98,374.72x = 4,560,381,949.10
  5. Step 5: Solve for x
    x = 4,560,381,949.10/98,374.72
  6. Step 6: Final answer
    x = 46,357.25

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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.