Home / 146,636.56-202,362.12-79,568.40

Finding the Fourth Proportional to 146,636.56, 202,362.12 and 79,568.40

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Solution

The fourth proportional to 146,636.56, 202,362.12 and 79,568.40 is: 109,806.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,636.56 : 202,362.12 = 79,568.40 : x
  2. Step 2: Convert to fraction form
    146,636.56/202,362.12 = 79,568.40/x
  3. Step 3: Cross multiply
    146,636.56x = 202,362.12 × 79,568.40
  4. Step 4: Simplify right side
    146,636.56x = 16,101,630,109.01
  5. Step 5: Solve for x
    x = 16,101,630,109.01/146,636.56
  6. Step 6: Final answer
    x = 109,806.38

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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.