Home / 126,956.94-190,437.03-56,821.74

Finding the Fourth Proportional to 126,956.94, 190,437.03 and 56,821.74

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Solution

The fourth proportional to 126,956.94, 190,437.03 and 56,821.74 is: 85,233.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,956.94 : 190,437.03 = 56,821.74 : x
  2. Step 2: Convert to fraction form
    126,956.94/190,437.03 = 56,821.74/x
  3. Step 3: Cross multiply
    126,956.94x = 190,437.03 × 56,821.74
  4. Step 4: Simplify right side
    126,956.94x = 10,820,963,405.03
  5. Step 5: Solve for x
    x = 10,820,963,405.03/126,956.94
  6. Step 6: Final answer
    x = 85,233.34

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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.