Home / 105,897.08-146,179.60-63,447.40

Finding the Fourth Proportional to 105,897.08, 146,179.60 and 63,447.40

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Solution

The fourth proportional to 105,897.08, 146,179.60 and 63,447.40 is: 87,582.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,897.08 : 146,179.60 = 63,447.40 : x
  2. Step 2: Convert to fraction form
    105,897.08/146,179.60 = 63,447.40/x
  3. Step 3: Cross multiply
    105,897.08x = 146,179.60 × 63,447.40
  4. Step 4: Simplify right side
    105,897.08x = 9,274,715,553.04
  5. Step 5: Solve for x
    x = 9,274,715,553.04/105,897.08
  6. Step 6: Final answer
    x = 87,582.35

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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.