Home / 254,525.40-382,006.80-112,589.10

Finding the Fourth Proportional to 254,525.40, 382,006.80 and 112,589.10

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Solution

The fourth proportional to 254,525.40, 382,006.80 and 112,589.10 is: 168,980.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,525.40 : 382,006.80 = 112,589.10 : x
  2. Step 2: Convert to fraction form
    254,525.40/382,006.80 = 112,589.10/x
  3. Step 3: Cross multiply
    254,525.40x = 382,006.80 × 112,589.10
  4. Step 4: Simplify right side
    254,525.40x = 43,009,801,805.88
  5. Step 5: Solve for x
    x = 43,009,801,805.88/254,525.40
  6. Step 6: Final answer
    x = 168,980.39

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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.