Home / 173,370.08-239,221.60-105,375.36

Finding the Fourth Proportional to 173,370.08, 239,221.60 and 105,375.36

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Solution

The fourth proportional to 173,370.08, 239,221.60 and 105,375.36 is: 145,400.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,370.08 : 239,221.60 = 105,375.36 : x
  2. Step 2: Convert to fraction form
    173,370.08/239,221.60 = 105,375.36/x
  3. Step 3: Cross multiply
    173,370.08x = 239,221.60 × 105,375.36
  4. Step 4: Simplify right side
    173,370.08x = 25,208,062,219.78
  5. Step 5: Solve for x
    x = 25,208,062,219.78/173,370.08
  6. Step 6: Final answer
    x = 145,400.30

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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.