Home / 130,673.25-180,138.20-92,365.21

Finding the Fourth Proportional to 130,673.25, 180,138.20 and 92,365.21

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Solution

The fourth proportional to 130,673.25, 180,138.20 and 92,365.21 is: 127,329.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,673.25 : 180,138.20 = 92,365.21 : x
  2. Step 2: Convert to fraction form
    130,673.25/180,138.20 = 92,365.21/x
  3. Step 3: Cross multiply
    130,673.25x = 180,138.20 × 92,365.21
  4. Step 4: Simplify right side
    130,673.25x = 16,638,501,771.33
  5. Step 5: Solve for x
    x = 16,638,501,771.33/130,673.25
  6. Step 6: Final answer
    x = 127,329.06

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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.