Home / 130,772.08-180,537.96-89,995.60

Finding the Fourth Proportional to 130,772.08, 180,537.96 and 89,995.60

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Solution

The fourth proportional to 130,772.08, 180,537.96 and 89,995.60 is: 124,243.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,772.08 : 180,537.96 = 89,995.60 : x
  2. Step 2: Convert to fraction form
    130,772.08/180,537.96 = 89,995.60/x
  3. Step 3: Cross multiply
    130,772.08x = 180,537.96 × 89,995.60
  4. Step 4: Simplify right side
    130,772.08x = 16,247,622,032.98
  5. Step 5: Solve for x
    x = 16,247,622,032.98/130,772.08
  6. Step 6: Final answer
    x = 124,243.81

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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.