Home / 84,016.08-126,600.24-69,549.60

Finding the Fourth Proportional to 84,016.08, 126,600.24 and 69,549.60

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Solution

The fourth proportional to 84,016.08, 126,600.24 and 69,549.60 is: 104,801.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,016.08 : 126,600.24 = 69,549.60 : x
  2. Step 2: Convert to fraction form
    84,016.08/126,600.24 = 69,549.60/x
  3. Step 3: Cross multiply
    84,016.08x = 126,600.24 × 69,549.60
  4. Step 4: Simplify right side
    84,016.08x = 8,804,996,051.90
  5. Step 5: Solve for x
    x = 8,804,996,051.90/84,016.08
  6. Step 6: Final answer
    x = 104,801.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.