Home / 260,041.17-389,842.88-126,852.69

Finding the Fourth Proportional to 260,041.17, 389,842.88 and 126,852.69

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Solution

The fourth proportional to 260,041.17, 389,842.88 and 126,852.69 is: 190,172.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,041.17 : 389,842.88 = 126,852.69 : x
  2. Step 2: Convert to fraction form
    260,041.17/389,842.88 = 126,852.69/x
  3. Step 3: Cross multiply
    260,041.17x = 389,842.88 × 126,852.69
  4. Step 4: Simplify right side
    260,041.17x = 49,452,617,371.08
  5. Step 5: Solve for x
    x = 49,452,617,371.08/260,041.17
  6. Step 6: Final answer
    x = 190,172.26

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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.