Home / 250,186.88-345,254.40-137,009.60

Finding the Fourth Proportional to 250,186.88, 345,254.40 and 137,009.60

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Solution

The fourth proportional to 250,186.88, 345,254.40 and 137,009.60 is: 189,071.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,186.88 : 345,254.40 = 137,009.60 : x
  2. Step 2: Convert to fraction form
    250,186.88/345,254.40 = 137,009.60/x
  3. Step 3: Cross multiply
    250,186.88x = 345,254.40 × 137,009.60
  4. Step 4: Simplify right side
    250,186.88x = 47,303,167,242.24
  5. Step 5: Solve for x
    x = 47,303,167,242.24/250,186.88
  6. Step 6: Final answer
    x = 189,071.33

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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.