Home / 99,774.69-149,657.88-46,448.34

Finding the Fourth Proportional to 99,774.69, 149,657.88 and 46,448.34

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Solution

The fourth proportional to 99,774.69, 149,657.88 and 46,448.34 is: 69,670.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,774.69 : 149,657.88 = 46,448.34 : x
  2. Step 2: Convert to fraction form
    99,774.69/149,657.88 = 46,448.34/x
  3. Step 3: Cross multiply
    99,774.69x = 149,657.88 × 46,448.34
  4. Step 4: Simplify right side
    99,774.69x = 6,951,360,093.92
  5. Step 5: Solve for x
    x = 6,951,360,093.92/99,774.69
  6. Step 6: Final answer
    x = 69,670.58

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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.