Home / 81,445.36-122,169.48-26,041.36

Finding the Fourth Proportional to 81,445.36, 122,169.48 and 26,041.36

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Solution

The fourth proportional to 81,445.36, 122,169.48 and 26,041.36 is: 39,062.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,445.36 : 122,169.48 = 26,041.36 : x
  2. Step 2: Convert to fraction form
    81,445.36/122,169.48 = 26,041.36/x
  3. Step 3: Cross multiply
    81,445.36x = 122,169.48 × 26,041.36
  4. Step 4: Simplify right side
    81,445.36x = 3,181,459,409.69
  5. Step 5: Solve for x
    x = 3,181,459,409.69/81,445.36
  6. Step 6: Final answer
    x = 39,062.50

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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.