Home / 250,128.14-345,173.40-136,950.89

Finding the Fourth Proportional to 250,128.14, 345,173.40 and 136,950.89

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Solution

The fourth proportional to 250,128.14, 345,173.40 and 136,950.89 is: 188,990.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,128.14 : 345,173.40 = 136,950.89 : x
  2. Step 2: Convert to fraction form
    250,128.14/345,173.40 = 136,950.89/x
  3. Step 3: Cross multiply
    250,128.14x = 345,173.40 × 136,950.89
  4. Step 4: Simplify right side
    250,128.14x = 47,271,802,608.46
  5. Step 5: Solve for x
    x = 47,271,802,608.46/250,128.14
  6. Step 6: Final answer
    x = 188,990.35

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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.