Home / 173,427.93-239,369.15-105,430.50

Finding the Fourth Proportional to 173,427.93, 239,369.15 and 105,430.50

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Solution

The fourth proportional to 173,427.93, 239,369.15 and 105,430.50 is: 145,517.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,427.93 : 239,369.15 = 105,430.50 : x
  2. Step 2: Convert to fraction form
    173,427.93/239,369.15 = 105,430.50/x
  3. Step 3: Cross multiply
    173,427.93x = 239,369.15 × 105,430.50
  4. Step 4: Simplify right side
    173,427.93x = 25,236,809,432.65
  5. Step 5: Solve for x
    x = 25,236,809,432.65/173,427.93
  6. Step 6: Final answer
    x = 145,517.56

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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.