Home / 126,953.07-190,448.06-67,756.45

Finding the Fourth Proportional to 126,953.07, 190,448.06 and 67,756.45

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Solution

The fourth proportional to 126,953.07, 190,448.06 and 67,756.45 is: 101,644.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,953.07 : 190,448.06 = 67,756.45 : x
  2. Step 2: Convert to fraction form
    126,953.07/190,448.06 = 67,756.45/x
  3. Step 3: Cross multiply
    126,953.07x = 190,448.06 × 67,756.45
  4. Step 4: Simplify right side
    126,953.07x = 12,904,084,148.26
  5. Step 5: Solve for x
    x = 12,904,084,148.26/126,953.07
  6. Step 6: Final answer
    x = 101,644.52

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1.5x scale

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.