Home / 149,269.93-205,774.89-113,397.68

Finding the Fourth Proportional to 149,269.93, 205,774.89 and 113,397.68

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Solution

The fourth proportional to 149,269.93, 205,774.89 and 113,397.68 is: 156,323.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,269.93 : 205,774.89 = 113,397.68 : x
  2. Step 2: Convert to fraction form
    149,269.93/205,774.89 = 113,397.68/x
  3. Step 3: Cross multiply
    149,269.93x = 205,774.89 × 113,397.68
  4. Step 4: Simplify right side
    149,269.93x = 23,334,395,128.26
  5. Step 5: Solve for x
    x = 23,334,395,128.26/149,269.93
  6. Step 6: Final answer
    x = 156,323.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.