Home / 250,438.76-345,519.78-142,931.24

Finding the Fourth Proportional to 250,438.76, 345,519.78 and 142,931.24

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Solution

The fourth proportional to 250,438.76, 345,519.78 and 142,931.24 is: 197,196.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,438.76 : 345,519.78 = 142,931.24 : x
  2. Step 2: Convert to fraction form
    250,438.76/345,519.78 = 142,931.24/x
  3. Step 3: Cross multiply
    250,438.76x = 345,519.78 × 142,931.24
  4. Step 4: Simplify right side
    250,438.76x = 49,385,570,599.93
  5. Step 5: Solve for x
    x = 49,385,570,599.93/250,438.76
  6. Step 6: Final answer
    x = 197,196.20

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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.