Home / 136,835.25-205,115.57-56,764.32

Finding the Fourth Proportional to 136,835.25, 205,115.57 and 56,764.32

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Solution

The fourth proportional to 136,835.25, 205,115.57 and 56,764.32 is: 85,089.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,835.25 : 205,115.57 = 56,764.32 : x
  2. Step 2: Convert to fraction form
    136,835.25/205,115.57 = 56,764.32/x
  3. Step 3: Cross multiply
    136,835.25x = 205,115.57 × 56,764.32
  4. Step 4: Simplify right side
    136,835.25x = 11,643,245,852.46
  5. Step 5: Solve for x
    x = 11,643,245,852.46/136,835.25
  6. Step 6: Final answer
    x = 85,089.52

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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.