Home / 170,346.67-255,326.23-103,639.75

Finding the Fourth Proportional to 170,346.67, 255,326.23 and 103,639.75

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Solution

The fourth proportional to 170,346.67, 255,326.23 and 103,639.75 is: 155,341.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,346.67 : 255,326.23 = 103,639.75 : x
  2. Step 2: Convert to fraction form
    170,346.67/255,326.23 = 103,639.75/x
  3. Step 3: Cross multiply
    170,346.67x = 255,326.23 × 103,639.75
  4. Step 4: Simplify right side
    170,346.67x = 26,461,946,645.64
  5. Step 5: Solve for x
    x = 26,461,946,645.64/170,346.67
  6. Step 6: Final answer
    x = 155,341.73

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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.