Home / 146,388.03-202,015.53-79,320.03

Finding the Fourth Proportional to 146,388.03, 202,015.53 and 79,320.03

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Solution

The fourth proportional to 146,388.03, 202,015.53 and 79,320.03 is: 109,461.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,388.03 : 202,015.53 = 79,320.03 : x
  2. Step 2: Convert to fraction form
    146,388.03/202,015.53 = 79,320.03/x
  3. Step 3: Cross multiply
    146,388.03x = 202,015.53 × 79,320.03
  4. Step 4: Simplify right side
    146,388.03x = 16,023,877,900.07
  5. Step 5: Solve for x
    x = 16,023,877,900.07/146,388.03
  6. Step 6: Final answer
    x = 109,461.67

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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.