Home / 136,827.04-205,246.32-43,330.72

Finding the Fourth Proportional to 136,827.04, 205,246.32 and 43,330.72

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Solution

The fourth proportional to 136,827.04, 205,246.32 and 43,330.72 is: 64,997.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,827.04 : 205,246.32 = 43,330.72 : x
  2. Step 2: Convert to fraction form
    136,827.04/205,246.32 = 43,330.72/x
  3. Step 3: Cross multiply
    136,827.04x = 205,246.32 × 43,330.72
  4. Step 4: Simplify right side
    136,827.04x = 8,893,470,822.95
  5. Step 5: Solve for x
    x = 8,893,470,822.95/136,827.04
  6. Step 6: Final answer
    x = 64,997.90

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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.