Home / 147,823.40-203,972.82-84,162.44

Finding the Fourth Proportional to 147,823.40, 203,972.82 and 84,162.44

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Solution

The fourth proportional to 147,823.40, 203,972.82 and 84,162.44 is: 116,130.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,823.40 : 203,972.82 = 84,162.44 : x
  2. Step 2: Convert to fraction form
    147,823.40/203,972.82 = 84,162.44/x
  3. Step 3: Cross multiply
    147,823.40x = 203,972.82 × 84,162.44
  4. Step 4: Simplify right side
    147,823.40x = 17,166,849,205.02
  5. Step 5: Solve for x
    x = 17,166,849,205.02/147,823.40
  6. Step 6: Final answer
    x = 116,130.80

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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.