Home / 230,688.18-345,638.61-125,318.52

Finding the Fourth Proportional to 230,688.18, 345,638.61 and 125,318.52

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Solution

The fourth proportional to 230,688.18, 345,638.61 and 125,318.52 is: 187,763.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,688.18 : 345,638.61 = 125,318.52 : x
  2. Step 2: Convert to fraction form
    230,688.18/345,638.61 = 125,318.52/x
  3. Step 3: Cross multiply
    230,688.18x = 345,638.61 × 125,318.52
  4. Step 4: Simplify right side
    230,688.18x = 43,314,919,060.06
  5. Step 5: Solve for x
    x = 43,314,919,060.06/230,688.18
  6. Step 6: Final answer
    x = 187,763.93

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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.