Home / 126,819.84-175,015.18-70,230

Finding the Fourth Proportional to 126,819.84, 175,015.18 and 70,230

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Solution

The fourth proportional to 126,819.84, 175,015.18 and 70,230 is: 96,919.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,819.84 : 175,015.18 = 70,230 : x
  2. Step 2: Convert to fraction form
    126,819.84/175,015.18 = 70,230/x
  3. Step 3: Cross multiply
    126,819.84x = 175,015.18 × 70,230
  4. Step 4: Simplify right side
    126,819.84x = 12,291,316,091.40
  5. Step 5: Solve for x
    x = 12,291,316,091.40/126,819.84
  6. Step 6: Final answer
    x = 96,919.50

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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.