Home / 148,178.58-204,484.86-80,194.08

Finding the Fourth Proportional to 148,178.58, 204,484.86 and 80,194.08

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Solution

The fourth proportional to 148,178.58, 204,484.86 and 80,194.08 is: 110,666.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,178.58 : 204,484.86 = 80,194.08 : x
  2. Step 2: Convert to fraction form
    148,178.58/204,484.86 = 80,194.08/x
  3. Step 3: Cross multiply
    148,178.58x = 204,484.86 × 80,194.08
  4. Step 4: Simplify right side
    148,178.58x = 16,398,475,221.63
  5. Step 5: Solve for x
    x = 16,398,475,221.63/148,178.58
  6. Step 6: Final answer
    x = 110,666.98

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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.