Home / 106,774.56-147,179.16-84,077.52

Finding the Fourth Proportional to 106,774.56, 147,179.16 and 84,077.52

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Solution

The fourth proportional to 106,774.56, 147,179.16 and 84,077.52 is: 115,893.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,774.56 : 147,179.16 = 84,077.52 : x
  2. Step 2: Convert to fraction form
    106,774.56/147,179.16 = 84,077.52/x
  3. Step 3: Cross multiply
    106,774.56x = 147,179.16 × 84,077.52
  4. Step 4: Simplify right side
    106,774.56x = 12,374,458,768.48
  5. Step 5: Solve for x
    x = 12,374,458,768.48/106,774.56
  6. Step 6: Final answer
    x = 115,893.32

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1.5x scale

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.