Home / 130,968.64-180,593.70-88,453.36

Finding the Fourth Proportional to 130,968.64, 180,593.70 and 88,453.36

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Solution

The fourth proportional to 130,968.64, 180,593.70 and 88,453.36 is: 121,969.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,968.64 : 180,593.70 = 88,453.36 : x
  2. Step 2: Convert to fraction form
    130,968.64/180,593.70 = 88,453.36/x
  3. Step 3: Cross multiply
    130,968.64x = 180,593.70 × 88,453.36
  4. Step 4: Simplify right side
    130,968.64x = 15,974,119,559.83
  5. Step 5: Solve for x
    x = 15,974,119,559.83/130,968.64
  6. Step 6: Final answer
    x = 121,969.04

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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.