Home / 163,708.82-245,457.93-69,000.38

Finding the Fourth Proportional to 163,708.82, 245,457.93 and 69,000.38

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Solution

The fourth proportional to 163,708.82, 245,457.93 and 69,000.38 is: 103,456.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,708.82 : 245,457.93 = 69,000.38 : x
  2. Step 2: Convert to fraction form
    163,708.82/245,457.93 = 69,000.38/x
  3. Step 3: Cross multiply
    163,708.82x = 245,457.93 × 69,000.38
  4. Step 4: Simplify right side
    163,708.82x = 16,936,690,444.01
  5. Step 5: Solve for x
    x = 16,936,690,444.01/163,708.82
  6. Step 6: Final answer
    x = 103,456.19

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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.