Home / 154,490.72-231,463.53-135,301.23

Finding the Fourth Proportional to 154,490.72, 231,463.53 and 135,301.23

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Solution

The fourth proportional to 154,490.72, 231,463.53 and 135,301.23 is: 202,713.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,490.72 : 231,463.53 = 135,301.23 : x
  2. Step 2: Convert to fraction form
    154,490.72/231,463.53 = 135,301.23/x
  3. Step 3: Cross multiply
    154,490.72x = 231,463.53 × 135,301.23
  4. Step 4: Simplify right side
    154,490.72x = 31,317,300,309.14
  5. Step 5: Solve for x
    x = 31,317,300,309.14/154,490.72
  6. Step 6: Final answer
    x = 202,713.16

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1.5x scale

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.