Home / 199,130.06-274,614.90-145,329.86

Finding the Fourth Proportional to 199,130.06, 274,614.90 and 145,329.86

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Solution

The fourth proportional to 199,130.06, 274,614.90 and 145,329.86 is: 200,420.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,130.06 : 274,614.90 = 145,329.86 : x
  2. Step 2: Convert to fraction form
    199,130.06/274,614.90 = 145,329.86/x
  3. Step 3: Cross multiply
    199,130.06x = 274,614.90 × 145,329.86
  4. Step 4: Simplify right side
    199,130.06x = 39,909,744,970.91
  5. Step 5: Solve for x
    x = 39,909,744,970.91/199,130.06
  6. Step 6: Final answer
    x = 200,420.49

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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.