Home / 136,830.04-205,250.82-43,333.72

Finding the Fourth Proportional to 136,830.04, 205,250.82 and 43,333.72

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Solution

The fourth proportional to 136,830.04, 205,250.82 and 43,333.72 is: 65,002.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,830.04 : 205,250.82 = 43,333.72 : x
  2. Step 2: Convert to fraction form
    136,830.04/205,250.82 = 43,333.72/x
  3. Step 3: Cross multiply
    136,830.04x = 205,250.82 × 43,333.72
  4. Step 4: Simplify right side
    136,830.04x = 8,894,281,563.65
  5. Step 5: Solve for x
    x = 8,894,281,563.65/136,830.04
  6. Step 6: Final answer
    x = 65,002.40

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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.