Home / 170,457.92-235,209.12-103,376.96

Finding the Fourth Proportional to 170,457.92, 235,209.12 and 103,376.96

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Solution

The fourth proportional to 170,457.92, 235,209.12 and 103,376.96 is: 142,646.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,457.92 : 235,209.12 = 103,376.96 : x
  2. Step 2: Convert to fraction form
    170,457.92/235,209.12 = 103,376.96/x
  3. Step 3: Cross multiply
    170,457.92x = 235,209.12 × 103,376.96
  4. Step 4: Simplify right side
    170,457.92x = 24,315,203,789.88
  5. Step 5: Solve for x
    x = 24,315,203,789.88/170,457.92
  6. Step 6: Final answer
    x = 142,646.37

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1.5x scale

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.