Home / 126,817.84-175,012.41-70,228

Finding the Fourth Proportional to 126,817.84, 175,012.41 and 70,228

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Solution

The fourth proportional to 126,817.84, 175,012.41 and 70,228 is: 96,916.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,817.84 : 175,012.41 = 70,228 : x
  2. Step 2: Convert to fraction form
    126,817.84/175,012.41 = 70,228/x
  3. Step 3: Cross multiply
    126,817.84x = 175,012.41 × 70,228
  4. Step 4: Simplify right side
    126,817.84x = 12,290,771,529.48
  5. Step 5: Solve for x
    x = 12,290,771,529.48/126,817.84
  6. Step 6: Final answer
    x = 96,916.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.