Home / 173,109.40-259,518.30-90,003.40

Finding the Fourth Proportional to 173,109.40, 259,518.30 and 90,003.40

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Solution

The fourth proportional to 173,109.40, 259,518.30 and 90,003.40 is: 134,929.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,109.40 : 259,518.30 = 90,003.40 : x
  2. Step 2: Convert to fraction form
    173,109.40/259,518.30 = 90,003.40/x
  3. Step 3: Cross multiply
    173,109.40x = 259,518.30 × 90,003.40
  4. Step 4: Simplify right side
    173,109.40x = 23,357,529,362.22
  5. Step 5: Solve for x
    x = 23,357,529,362.22/173,109.40
  6. Step 6: Final answer
    x = 134,929.30

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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.