Home / 250,988.56-346,369.80-137,811.76

Finding the Fourth Proportional to 250,988.56, 346,369.80 and 137,811.76

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Solution

The fourth proportional to 250,988.56, 346,369.80 and 137,811.76 is: 190,183.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,988.56 : 346,369.80 = 137,811.76 : x
  2. Step 2: Convert to fraction form
    250,988.56/346,369.80 = 137,811.76/x
  3. Step 3: Cross multiply
    250,988.56x = 346,369.80 × 137,811.76
  4. Step 4: Simplify right side
    250,988.56x = 47,733,831,748.85
  5. Step 5: Solve for x
    x = 47,733,831,748.85/250,988.56
  6. Step 6: Final answer
    x = 190,183.30

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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.