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Finding the Fourth Proportional to 170,751.60, 235,527.24 and 103,683.60

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Solution

The fourth proportional to 170,751.60, 235,527.24 and 103,683.60 is: 143,016.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,751.60 : 235,527.24 = 103,683.60 : x
  2. Step 2: Convert to fraction form
    170,751.60/235,527.24 = 103,683.60/x
  3. Step 3: Cross multiply
    170,751.60x = 235,527.24 × 103,683.60
  4. Step 4: Simplify right side
    170,751.60x = 24,420,312,141.26
  5. Step 5: Solve for x
    x = 24,420,312,141.26/170,751.60
  6. Step 6: Final answer
    x = 143,016.59

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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.