Home / 205,637.84-283,750.04-120,782.24

Finding the Fourth Proportional to 205,637.84, 283,750.04 and 120,782.24

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Solution

The fourth proportional to 205,637.84, 283,750.04 and 120,782.24 is: 166,661.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,637.84 : 283,750.04 = 120,782.24 : x
  2. Step 2: Convert to fraction form
    205,637.84/283,750.04 = 120,782.24/x
  3. Step 3: Cross multiply
    205,637.84x = 283,750.04 × 120,782.24
  4. Step 4: Simplify right side
    205,637.84x = 34,271,965,431.29
  5. Step 5: Solve for x
    x = 34,271,965,431.29/205,637.84
  6. Step 6: Final answer
    x = 166,661.77

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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.