Home / 250,389.54-345,526.20-137,209.86

Finding the Fourth Proportional to 250,389.54, 345,526.20 and 137,209.86

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Solution

The fourth proportional to 250,389.54, 345,526.20 and 137,209.86 is: 189,343.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,389.54 : 345,526.20 = 137,209.86 : x
  2. Step 2: Convert to fraction form
    250,389.54/345,526.20 = 137,209.86/x
  3. Step 3: Cross multiply
    250,389.54x = 345,526.20 × 137,209.86
  4. Step 4: Simplify right side
    250,389.54x = 47,409,601,528.33
  5. Step 5: Solve for x
    x = 47,409,601,528.33/250,389.54
  6. Step 6: Final answer
    x = 189,343.38

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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.