Home / 187,001.60-258,069.04-106,435.76

Finding the Fourth Proportional to 187,001.60, 258,069.04 and 106,435.76

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Solution

The fourth proportional to 187,001.60, 258,069.04 and 106,435.76 is: 146,885.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,001.60 : 258,069.04 = 106,435.76 : x
  2. Step 2: Convert to fraction form
    187,001.60/258,069.04 = 106,435.76/x
  3. Step 3: Cross multiply
    187,001.60x = 258,069.04 × 106,435.76
  4. Step 4: Simplify right side
    187,001.60x = 27,467,772,848.44
  5. Step 5: Solve for x
    x = 27,467,772,848.44/187,001.60
  6. Step 6: Final answer
    x = 146,885.23

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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.