Home / 163,709.82-245,459.43-69,001.38

Finding the Fourth Proportional to 163,709.82, 245,459.43 and 69,001.38

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Solution

The fourth proportional to 163,709.82, 245,459.43 and 69,001.38 is: 103,457.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,709.82 : 245,459.43 = 69,001.38 : x
  2. Step 2: Convert to fraction form
    163,709.82/245,459.43 = 69,001.38/x
  3. Step 3: Cross multiply
    163,709.82x = 245,459.43 × 69,001.38
  4. Step 4: Simplify right side
    163,709.82x = 16,937,039,404.01
  5. Step 5: Solve for x
    x = 16,937,039,404.01/163,709.82
  6. Step 6: Final answer
    x = 103,457.69

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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.