Home / 112,201.40-168,214.55-56,013.32

Finding the Fourth Proportional to 112,201.40, 168,214.55 and 56,013.32

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Solution

The fourth proportional to 112,201.40, 168,214.55 and 56,013.32 is: 83,976.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,201.40 : 168,214.55 = 56,013.32 : x
  2. Step 2: Convert to fraction form
    112,201.40/168,214.55 = 56,013.32/x
  3. Step 3: Cross multiply
    112,201.40x = 168,214.55 × 56,013.32
  4. Step 4: Simplify right side
    112,201.40x = 9,422,255,558.28
  5. Step 5: Solve for x
    x = 9,422,255,558.28/112,201.40
  6. Step 6: Final answer
    x = 83,976.27

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1.5x scale

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.