Home / 171,394.65-257,050.04-71,555.67

Finding the Fourth Proportional to 171,394.65, 257,050.04 and 71,555.67

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Solution

The fourth proportional to 171,394.65, 257,050.04 and 71,555.67 is: 107,316.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,394.65 : 257,050.04 = 71,555.67 : x
  2. Step 2: Convert to fraction form
    171,394.65/257,050.04 = 71,555.67/x
  3. Step 3: Cross multiply
    171,394.65x = 257,050.04 × 71,555.67
  4. Step 4: Simplify right side
    171,394.65x = 18,393,387,477.95
  5. Step 5: Solve for x
    x = 18,393,387,477.95/171,394.65
  6. Step 6: Final answer
    x = 107,316.00

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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.