Home / 136,992.04-205,488.43-42,219.16

Finding the Fourth Proportional to 136,992.04, 205,488.43 and 42,219.16

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Solution

The fourth proportional to 136,992.04, 205,488.43 and 42,219.16 is: 63,328.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,992.04 : 205,488.43 = 42,219.16 : x
  2. Step 2: Convert to fraction form
    136,992.04/205,488.43 = 42,219.16/x
  3. Step 3: Cross multiply
    136,992.04x = 205,488.43 × 42,219.16
  4. Step 4: Simplify right side
    136,992.04x = 8,675,548,285.05
  5. Step 5: Solve for x
    x = 8,675,548,285.05/136,992.04
  6. Step 6: Final answer
    x = 63,328.85

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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.