Home / 147,848.10-204,030.37-80,780.10

Finding the Fourth Proportional to 147,848.10, 204,030.37 and 80,780.10

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Solution

The fourth proportional to 147,848.10, 204,030.37 and 80,780.10 is: 111,476.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,848.10 : 204,030.37 = 80,780.10 : x
  2. Step 2: Convert to fraction form
    147,848.10/204,030.37 = 80,780.10/x
  3. Step 3: Cross multiply
    147,848.10x = 204,030.37 × 80,780.10
  4. Step 4: Simplify right side
    147,848.10x = 16,481,593,691.64
  5. Step 5: Solve for x
    x = 16,481,593,691.64/147,848.10
  6. Step 6: Final answer
    x = 111,476.53

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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.