Home / 92,074.29-127,187.60-72,182.31

Finding the Fourth Proportional to 92,074.29, 127,187.60 and 72,182.31

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Solution

The fourth proportional to 92,074.29, 127,187.60 and 72,182.31 is: 99,709.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,074.29 : 127,187.60 = 72,182.31 : x
  2. Step 2: Convert to fraction form
    92,074.29/127,187.60 = 72,182.31/x
  3. Step 3: Cross multiply
    92,074.29x = 127,187.60 × 72,182.31
  4. Step 4: Simplify right side
    92,074.29x = 9,180,694,410.44
  5. Step 5: Solve for x
    x = 9,180,694,410.44/92,074.29
  6. Step 6: Final answer
    x = 99,709.64

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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.