Home / 183,698.43-275,618.50-71,457.72

Finding the Fourth Proportional to 183,698.43, 275,618.50 and 71,457.72

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Solution

The fourth proportional to 183,698.43, 275,618.50 and 71,457.72 is: 107,214.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,698.43 : 275,618.50 = 71,457.72 : x
  2. Step 2: Convert to fraction form
    183,698.43/275,618.50 = 71,457.72/x
  3. Step 3: Cross multiply
    183,698.43x = 275,618.50 × 71,457.72
  4. Step 4: Simplify right side
    183,698.43x = 19,695,069,162.78
  5. Step 5: Solve for x
    x = 19,695,069,162.78/183,698.43
  6. Step 6: Final answer
    x = 107,214.14

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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.