Home / 130,465.80-195,698.70-100,904.85

Finding the Fourth Proportional to 130,465.80, 195,698.70 and 100,904.85

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Solution

The fourth proportional to 130,465.80, 195,698.70 and 100,904.85 is: 151,357.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,465.80 : 195,698.70 = 100,904.85 : x
  2. Step 2: Convert to fraction form
    130,465.80/195,698.70 = 100,904.85/x
  3. Step 3: Cross multiply
    130,465.80x = 195,698.70 × 100,904.85
  4. Step 4: Simplify right side
    130,465.80x = 19,746,947,968.70
  5. Step 5: Solve for x
    x = 19,746,947,968.70/130,465.80
  6. Step 6: Final answer
    x = 151,357.28

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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.