Home / 170,432.81-235,169.78-102,433.52

Finding the Fourth Proportional to 170,432.81, 235,169.78 and 102,433.52

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Solution

The fourth proportional to 170,432.81, 235,169.78 and 102,433.52 is: 141,341.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,432.81 : 235,169.78 = 102,433.52 : x
  2. Step 2: Convert to fraction form
    170,432.81/235,169.78 = 102,433.52/x
  3. Step 3: Cross multiply
    170,432.81x = 235,169.78 × 102,433.52
  4. Step 4: Simplify right side
    170,432.81x = 24,089,266,675.01
  5. Step 5: Solve for x
    x = 24,089,266,675.01/170,432.81
  6. Step 6: Final answer
    x = 141,341.73

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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.