Home / 130,299.64-179,751.18-75,851.80

Finding the Fourth Proportional to 130,299.64, 179,751.18 and 75,851.80

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Solution

The fourth proportional to 130,299.64, 179,751.18 and 75,851.80 is: 104,639.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,299.64 : 179,751.18 = 75,851.80 : x
  2. Step 2: Convert to fraction form
    130,299.64/179,751.18 = 75,851.80/x
  3. Step 3: Cross multiply
    130,299.64x = 179,751.18 × 75,851.80
  4. Step 4: Simplify right side
    130,299.64x = 13,634,450,555.12
  5. Step 5: Solve for x
    x = 13,634,450,555.12/130,299.64
  6. Step 6: Final answer
    x = 104,639.20

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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.