Home / 146,668.16-202,400.88-79,600.16

Finding the Fourth Proportional to 146,668.16, 202,400.88 and 79,600.16

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Solution

The fourth proportional to 146,668.16, 202,400.88 and 79,600.16 is: 109,847.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,668.16 : 202,400.88 = 79,600.16 : x
  2. Step 2: Convert to fraction form
    146,668.16/202,400.88 = 79,600.16/x
  3. Step 3: Cross multiply
    146,668.16x = 202,400.88 × 79,600.16
  4. Step 4: Simplify right side
    146,668.16x = 16,111,142,432.14
  5. Step 5: Solve for x
    x = 16,111,142,432.14/146,668.16
  6. Step 6: Final answer
    x = 109,847.58

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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.