Home / 148,315.30-204,160.89-129,419.62

Finding the Fourth Proportional to 148,315.30, 204,160.89 and 129,419.62

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Solution

The fourth proportional to 148,315.30, 204,160.89 and 129,419.62 is: 178,150.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,315.30 : 204,160.89 = 129,419.62 : x
  2. Step 2: Convert to fraction form
    148,315.30/204,160.89 = 129,419.62/x
  3. Step 3: Cross multiply
    148,315.30x = 204,160.89 × 129,419.62
  4. Step 4: Simplify right side
    148,315.30x = 26,422,424,802.66
  5. Step 5: Solve for x
    x = 26,422,424,802.66/148,315.30
  6. Step 6: Final answer
    x = 178,150.36

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1.5x scale

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.