Home / 130,790.93-180,546.32-88,406.87

Finding the Fourth Proportional to 130,790.93, 180,546.32 and 88,406.87

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Solution

The fourth proportional to 130,790.93, 180,546.32 and 88,406.87 is: 122,038.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,790.93 : 180,546.32 = 88,406.87 : x
  2. Step 2: Convert to fraction form
    130,790.93/180,546.32 = 88,406.87/x
  3. Step 3: Cross multiply
    130,790.93x = 180,546.32 × 88,406.87
  4. Step 4: Simplify right side
    130,790.93x = 15,961,533,696.45
  5. Step 5: Solve for x
    x = 15,961,533,696.45/130,790.93
  6. Step 6: Final answer
    x = 122,038.54

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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.