Home / 251,153-346,591.28-137,983.04

Finding the Fourth Proportional to 251,153, 346,591.28 and 137,983.04

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Solution

The fourth proportional to 251,153, 346,591.28 and 137,983.04 is: 190,416.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,153 : 346,591.28 = 137,983.04 : x
  2. Step 2: Convert to fraction form
    251,153/346,591.28 = 137,983.04/x
  3. Step 3: Cross multiply
    251,153x = 346,591.28 × 137,983.04
  4. Step 4: Simplify right side
    251,153x = 47,823,718,451.89
  5. Step 5: Solve for x
    x = 47,823,718,451.89/251,153
  6. Step 6: Final answer
    x = 190,416.67

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1.5x scale

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.