Home / 254,969.42-382,281.57-142,727.13

Finding the Fourth Proportional to 254,969.42, 382,281.57 and 142,727.13

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Solution

The fourth proportional to 254,969.42, 382,281.57 and 142,727.13 is: 213,994.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,969.42 : 382,281.57 = 142,727.13 : x
  2. Step 2: Convert to fraction form
    254,969.42/382,281.57 = 142,727.13/x
  3. Step 3: Cross multiply
    254,969.42x = 382,281.57 × 142,727.13
  4. Step 4: Simplify right side
    254,969.42x = 54,561,951,337.99
  5. Step 5: Solve for x
    x = 54,561,951,337.99/254,969.42
  6. Step 6: Final answer
    x = 213,994.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.