Home / 366,121.10-549,261.96-109,942.40

Finding the Fourth Proportional to 366,121.10, 549,261.96 and 109,942.40

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Solution

The fourth proportional to 366,121.10, 549,261.96 and 109,942.40 is: 164,937.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,121.10 : 549,261.96 = 109,942.40 : x
  2. Step 2: Convert to fraction form
    366,121.10/549,261.96 = 109,942.40/x
  3. Step 3: Cross multiply
    366,121.10x = 549,261.96 × 109,942.40
  4. Step 4: Simplify right side
    366,121.10x = 60,387,178,111.10
  5. Step 5: Solve for x
    x = 60,387,178,111.10/366,121.10
  6. Step 6: Final answer
    x = 164,937.72

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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.