Home / 145,848.60-218,859.30-106,306.20

Finding the Fourth Proportional to 145,848.60, 218,859.30 and 106,306.20

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Solution

The fourth proportional to 145,848.60, 218,859.30 and 106,306.20 is: 159,522.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,848.60 : 218,859.30 = 106,306.20 : x
  2. Step 2: Convert to fraction form
    145,848.60/218,859.30 = 106,306.20/x
  3. Step 3: Cross multiply
    145,848.60x = 218,859.30 × 106,306.20
  4. Step 4: Simplify right side
    145,848.60x = 23,266,100,517.66
  5. Step 5: Solve for x
    x = 23,266,100,517.66/145,848.60
  6. Step 6: Final answer
    x = 159,522.28

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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.