Home / 203,064.20-304,875.80-103,291.84

Finding the Fourth Proportional to 203,064.20, 304,875.80 and 103,291.84

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Solution

The fourth proportional to 203,064.20, 304,875.80 and 103,291.84 is: 155,079.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,064.20 : 304,875.80 = 103,291.84 : x
  2. Step 2: Convert to fraction form
    203,064.20/304,875.80 = 103,291.84/x
  3. Step 3: Cross multiply
    203,064.20x = 304,875.80 × 103,291.84
  4. Step 4: Simplify right side
    203,064.20x = 31,491,182,605.45
  5. Step 5: Solve for x
    x = 31,491,182,605.45/203,064.20
  6. Step 6: Final answer
    x = 155,079.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.