Home / 254,830.84-351,636.02-140,090.60

Finding the Fourth Proportional to 254,830.84, 351,636.02 and 140,090.60

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Solution

The fourth proportional to 254,830.84, 351,636.02 and 140,090.60 is: 193,308.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,830.84 : 351,636.02 = 140,090.60 : x
  2. Step 2: Convert to fraction form
    254,830.84/351,636.02 = 140,090.60/x
  3. Step 3: Cross multiply
    254,830.84x = 351,636.02 × 140,090.60
  4. Step 4: Simplify right side
    254,830.84x = 49,260,901,023.41
  5. Step 5: Solve for x
    x = 49,260,901,023.41/254,830.84
  6. Step 6: Final answer
    x = 193,308.24

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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.