Home / 218,859.10-302,007.46-123,389.26

Finding the Fourth Proportional to 218,859.10, 302,007.46 and 123,389.26

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Solution

The fourth proportional to 218,859.10, 302,007.46 and 123,389.26 is: 170,266.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,859.10 : 302,007.46 = 123,389.26 : x
  2. Step 2: Convert to fraction form
    218,859.10/302,007.46 = 123,389.26/x
  3. Step 3: Cross multiply
    218,859.10x = 302,007.46 × 123,389.26
  4. Step 4: Simplify right side
    218,859.10x = 37,264,477,003.88
  5. Step 5: Solve for x
    x = 37,264,477,003.88/218,859.10
  6. Step 6: Final answer
    x = 170,266.98

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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.