Home / 148,575.69-205,032.47-84,911.85

Finding the Fourth Proportional to 148,575.69, 205,032.47 and 84,911.85

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Solution

The fourth proportional to 148,575.69, 205,032.47 and 84,911.85 is: 117,177.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,575.69 : 205,032.47 = 84,911.85 : x
  2. Step 2: Convert to fraction form
    148,575.69/205,032.47 = 84,911.85/x
  3. Step 3: Cross multiply
    148,575.69x = 205,032.47 × 84,911.85
  4. Step 4: Simplify right side
    148,575.69x = 17,409,685,913.21
  5. Step 5: Solve for x
    x = 17,409,685,913.21/148,575.69
  6. Step 6: Final answer
    x = 117,177.22

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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.