Home / 148,878.07-205,428.61-88,447.16

Finding the Fourth Proportional to 148,878.07, 205,428.61 and 88,447.16

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Solution

The fourth proportional to 148,878.07, 205,428.61 and 88,447.16 is: 122,043.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,878.07 : 205,428.61 = 88,447.16 : x
  2. Step 2: Convert to fraction form
    148,878.07/205,428.61 = 88,447.16/x
  3. Step 3: Cross multiply
    148,878.07x = 205,428.61 × 88,447.16
  4. Step 4: Simplify right side
    148,878.07x = 18,169,576,108.33
  5. Step 5: Solve for x
    x = 18,169,576,108.33/148,878.07
  6. Step 6: Final answer
    x = 122,043.34

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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.