Home / 136,853.04-205,285.32-43,356.72

Finding the Fourth Proportional to 136,853.04, 205,285.32 and 43,356.72

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Solution

The fourth proportional to 136,853.04, 205,285.32 and 43,356.72 is: 65,036.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,853.04 : 205,285.32 = 43,356.72 : x
  2. Step 2: Convert to fraction form
    136,853.04/205,285.32 = 43,356.72/x
  3. Step 3: Cross multiply
    136,853.04x = 205,285.32 × 43,356.72
  4. Step 4: Simplify right side
    136,853.04x = 8,900,498,139.35
  5. Step 5: Solve for x
    x = 8,900,498,139.35/136,853.04
  6. Step 6: Final answer
    x = 65,036.90

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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.