Home / 112,742.60-155,269.86-110,293.16

Finding the Fourth Proportional to 112,742.60, 155,269.86 and 110,293.16

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Solution

The fourth proportional to 112,742.60, 155,269.86 and 110,293.16 is: 151,896.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,742.60 : 155,269.86 = 110,293.16 : x
  2. Step 2: Convert to fraction form
    112,742.60/155,269.86 = 110,293.16/x
  3. Step 3: Cross multiply
    112,742.60x = 155,269.86 × 110,293.16
  4. Step 4: Simplify right side
    112,742.60x = 17,125,203,512.16
  5. Step 5: Solve for x
    x = 17,125,203,512.16/112,742.60
  6. Step 6: Final answer
    x = 151,896.47

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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.