Home / 154,369.12-231,549.36-49,194.40

Finding the Fourth Proportional to 154,369.12, 231,549.36 and 49,194.40

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Solution

The fourth proportional to 154,369.12, 231,549.36 and 49,194.40 is: 73,790.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,369.12 : 231,549.36 = 49,194.40 : x
  2. Step 2: Convert to fraction form
    154,369.12/231,549.36 = 49,194.40/x
  3. Step 3: Cross multiply
    154,369.12x = 231,549.36 × 49,194.40
  4. Step 4: Simplify right side
    154,369.12x = 11,390,931,835.58
  5. Step 5: Solve for x
    x = 11,390,931,835.58/154,369.12
  6. Step 6: Final answer
    x = 73,790.22

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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.