Home / 205,987.50-309,148.86-106,176.24

Finding the Fourth Proportional to 205,987.50, 309,148.86 and 106,176.24

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Solution

The fourth proportional to 205,987.50, 309,148.86 and 106,176.24 is: 159,350.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,987.50 : 309,148.86 = 106,176.24 : x
  2. Step 2: Convert to fraction form
    205,987.50/309,148.86 = 106,176.24/x
  3. Step 3: Cross multiply
    205,987.50x = 309,148.86 × 106,176.24
  4. Step 4: Simplify right side
    205,987.50x = 32,824,262,009.34
  5. Step 5: Solve for x
    x = 32,824,262,009.34/205,987.50
  6. Step 6: Final answer
    x = 159,350.75

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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.