Home / 136,461.91-203,733.34-104,272.52

Finding the Fourth Proportional to 136,461.91, 203,733.34 and 104,272.52

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Solution

The fourth proportional to 136,461.91, 203,733.34 and 104,272.52 is: 155,675.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,461.91 : 203,733.34 = 104,272.52 : x
  2. Step 2: Convert to fraction form
    136,461.91/203,733.34 = 104,272.52/x
  3. Step 3: Cross multiply
    136,461.91x = 203,733.34 × 104,272.52
  4. Step 4: Simplify right side
    136,461.91x = 21,243,788,769.82
  5. Step 5: Solve for x
    x = 21,243,788,769.82/136,461.91
  6. Step 6: Final answer
    x = 155,675.59

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.