Home / 180,128.05-248,610.98-118,766.30

Finding the Fourth Proportional to 180,128.05, 248,610.98 and 118,766.30

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Solution

The fourth proportional to 180,128.05, 248,610.98 and 118,766.30 is: 163,920.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,128.05 : 248,610.98 = 118,766.30 : x
  2. Step 2: Convert to fraction form
    180,128.05/248,610.98 = 118,766.30/x
  3. Step 3: Cross multiply
    180,128.05x = 248,610.98 × 118,766.30
  4. Step 4: Simplify right side
    180,128.05x = 29,526,605,287.83
  5. Step 5: Solve for x
    x = 29,526,605,287.83/180,128.05
  6. Step 6: Final answer
    x = 163,920.09

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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.