Home / 83,736.02-125,323.36-68,742.32

Finding the Fourth Proportional to 83,736.02, 125,323.36 and 68,742.32

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Solution

The fourth proportional to 83,736.02, 125,323.36 and 68,742.32 is: 102,883.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,736.02 : 125,323.36 = 68,742.32 : x
  2. Step 2: Convert to fraction form
    83,736.02/125,323.36 = 68,742.32/x
  3. Step 3: Cross multiply
    83,736.02x = 125,323.36 × 68,742.32
  4. Step 4: Simplify right side
    83,736.02x = 8,615,017,718.12
  5. Step 5: Solve for x
    x = 8,615,017,718.12/83,736.02
  6. Step 6: Final answer
    x = 102,883.05

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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.