Home / 126,899.47-190,328.55-47,994.94

Finding the Fourth Proportional to 126,899.47, 190,328.55 and 47,994.94

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Solution

The fourth proportional to 126,899.47, 190,328.55 and 47,994.94 is: 71,984.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,899.47 : 190,328.55 = 47,994.94 : x
  2. Step 2: Convert to fraction form
    126,899.47/190,328.55 = 47,994.94/x
  3. Step 3: Cross multiply
    126,899.47x = 190,328.55 × 47,994.94
  4. Step 4: Simplify right side
    126,899.47x = 9,134,807,337.54
  5. Step 5: Solve for x
    x = 9,134,807,337.54/126,899.47
  6. Step 6: Final answer
    x = 71,984.60

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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.