Home / 136,927.36-205,339.20-53,776

Finding the Fourth Proportional to 136,927.36, 205,339.20 and 53,776

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Solution

The fourth proportional to 136,927.36, 205,339.20 and 53,776 is: 80,643.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,927.36 : 205,339.20 = 53,776 : x
  2. Step 2: Convert to fraction form
    136,927.36/205,339.20 = 53,776/x
  3. Step 3: Cross multiply
    136,927.36x = 205,339.20 × 53,776
  4. Step 4: Simplify right side
    136,927.36x = 11,042,320,819.20
  5. Step 5: Solve for x
    x = 11,042,320,819.20/136,927.36
  6. Step 6: Final answer
    x = 80,643.64

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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.