Home / 125,090.30-172,624.36-67,729.60

Finding the Fourth Proportional to 125,090.30, 172,624.36 and 67,729.60

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Solution

The fourth proportional to 125,090.30, 172,624.36 and 67,729.60 is: 93,466.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,090.30 : 172,624.36 = 67,729.60 : x
  2. Step 2: Convert to fraction form
    125,090.30/172,624.36 = 67,729.60/x
  3. Step 3: Cross multiply
    125,090.30x = 172,624.36 × 67,729.60
  4. Step 4: Simplify right side
    125,090.30x = 11,691,778,853.06
  5. Step 5: Solve for x
    x = 11,691,778,853.06/125,090.30
  6. Step 6: Final answer
    x = 93,466.71

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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.