Home / 103,569.03-155,268.90-53,663.58

Finding the Fourth Proportional to 103,569.03, 155,268.90 and 53,663.58

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Solution

The fourth proportional to 103,569.03, 155,268.90 and 53,663.58 is: 80,451.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,569.03 : 155,268.90 = 53,663.58 : x
  2. Step 2: Convert to fraction form
    103,569.03/155,268.90 = 53,663.58/x
  3. Step 3: Cross multiply
    103,569.03x = 155,268.90 × 53,663.58
  4. Step 4: Simplify right side
    103,569.03x = 8,332,285,036.66
  5. Step 5: Solve for x
    x = 8,332,285,036.66/103,569.03
  6. Step 6: Final answer
    x = 80,451.51

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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.