Home / 136,731.40-205,125.90-43,246.60

Finding the Fourth Proportional to 136,731.40, 205,125.90 and 43,246.60

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Solution

The fourth proportional to 136,731.40, 205,125.90 and 43,246.60 is: 64,879.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,731.40 : 205,125.90 = 43,246.60 : x
  2. Step 2: Convert to fraction form
    136,731.40/205,125.90 = 43,246.60/x
  3. Step 3: Cross multiply
    136,731.40x = 205,125.90 × 43,246.60
  4. Step 4: Simplify right side
    136,731.40x = 8,870,997,746.94
  5. Step 5: Solve for x
    x = 8,870,997,746.94/136,731.40
  6. Step 6: Final answer
    x = 64,879.01

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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.