Home / 154,492.72-231,466.53-135,303.23

Finding the Fourth Proportional to 154,492.72, 231,466.53 and 135,303.23

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Solution

The fourth proportional to 154,492.72, 231,466.53 and 135,303.23 is: 202,716.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,492.72 : 231,466.53 = 135,303.23 : x
  2. Step 2: Convert to fraction form
    154,492.72/231,466.53 = 135,303.23/x
  3. Step 3: Cross multiply
    154,492.72x = 231,466.53 × 135,303.23
  4. Step 4: Simplify right side
    154,492.72x = 31,318,169,145.89
  5. Step 5: Solve for x
    x = 31,318,169,145.89/154,492.72
  6. Step 6: Final answer
    x = 202,716.15

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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.