Home / 254,852.42-351,705.36-140,139.80

Finding the Fourth Proportional to 254,852.42, 351,705.36 and 140,139.80

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Solution

The fourth proportional to 254,852.42, 351,705.36 and 140,139.80 is: 193,397.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,852.42 : 351,705.36 = 140,139.80 : x
  2. Step 2: Convert to fraction form
    254,852.42/351,705.36 = 140,139.80/x
  3. Step 3: Cross multiply
    254,852.42x = 351,705.36 × 140,139.80
  4. Step 4: Simplify right side
    254,852.42x = 49,287,918,809.33
  5. Step 5: Solve for x
    x = 49,287,918,809.33/254,852.42
  6. Step 6: Final answer
    x = 193,397.88

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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.