Home / 130,773.08-180,539.34-89,996.60

Finding the Fourth Proportional to 130,773.08, 180,539.34 and 89,996.60

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Solution

The fourth proportional to 130,773.08, 180,539.34 and 89,996.60 is: 124,245.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,773.08 : 180,539.34 = 89,996.60 : x
  2. Step 2: Convert to fraction form
    130,773.08/180,539.34 = 89,996.60/x
  3. Step 3: Cross multiply
    130,773.08x = 180,539.34 × 89,996.60
  4. Step 4: Simplify right side
    130,773.08x = 16,247,926,766.24
  5. Step 5: Solve for x
    x = 16,247,926,766.24/130,773.08
  6. Step 6: Final answer
    x = 124,245.19

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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.