Home / 96,756.04-145,139.46-30,205.36

Finding the Fourth Proportional to 96,756.04, 145,139.46 and 30,205.36

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Solution

The fourth proportional to 96,756.04, 145,139.46 and 30,205.36 is: 45,309.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,756.04 : 145,139.46 = 30,205.36 : x
  2. Step 2: Convert to fraction form
    96,756.04/145,139.46 = 30,205.36/x
  3. Step 3: Cross multiply
    96,756.04x = 145,139.46 × 30,205.36
  4. Step 4: Simplify right side
    96,756.04x = 4,383,989,639.51
  5. Step 5: Solve for x
    x = 4,383,989,639.51/96,756.04
  6. Step 6: Final answer
    x = 45,309.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.