Home / 148,858.82-205,424.28-80,875.22

Finding the Fourth Proportional to 148,858.82, 205,424.28 and 80,875.22

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Solution

The fourth proportional to 148,858.82, 205,424.28 and 80,875.22 is: 111,607.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,858.82 : 205,424.28 = 80,875.22 : x
  2. Step 2: Convert to fraction form
    148,858.82/205,424.28 = 80,875.22/x
  3. Step 3: Cross multiply
    148,858.82x = 205,424.28 × 80,875.22
  4. Step 4: Simplify right side
    148,858.82x = 16,613,733,838.34
  5. Step 5: Solve for x
    x = 16,613,733,838.34/148,858.82
  6. Step 6: Final answer
    x = 111,607.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.