Home / 254,206.63-350,811.66-139,490.20

Finding the Fourth Proportional to 254,206.63, 350,811.66 and 139,490.20

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Solution

The fourth proportional to 254,206.63, 350,811.66 and 139,490.20 is: 192,500.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,206.63 : 350,811.66 = 139,490.20 : x
  2. Step 2: Convert to fraction form
    254,206.63/350,811.66 = 139,490.20/x
  3. Step 3: Cross multiply
    254,206.63x = 350,811.66 × 139,490.20
  4. Step 4: Simplify right side
    254,206.63x = 48,934,788,615.73
  5. Step 5: Solve for x
    x = 48,934,788,615.73/254,206.63
  6. Step 6: Final answer
    x = 192,500.05

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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.