Home / 154,486.72-231,457.53-135,297.23

Finding the Fourth Proportional to 154,486.72, 231,457.53 and 135,297.23

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Solution

The fourth proportional to 154,486.72, 231,457.53 and 135,297.23 is: 202,707.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,486.72 : 231,457.53 = 135,297.23 : x
  2. Step 2: Convert to fraction form
    154,486.72/231,457.53 = 135,297.23/x
  3. Step 3: Cross multiply
    154,486.72x = 231,457.53 × 135,297.23
  4. Step 4: Simplify right side
    154,486.72x = 31,315,562,671.64
  5. Step 5: Solve for x
    x = 31,315,562,671.64/154,486.72
  6. Step 6: Final answer
    x = 202,707.16

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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.