Home / 105,951.09-146,254.16-63,501.42

Finding the Fourth Proportional to 105,951.09, 146,254.16 and 63,501.42

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Solution

The fourth proportional to 105,951.09, 146,254.16 and 63,501.42 is: 87,656.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,951.09 : 146,254.16 = 63,501.42 : x
  2. Step 2: Convert to fraction form
    105,951.09/146,254.16 = 63,501.42/x
  3. Step 3: Cross multiply
    105,951.09x = 146,254.16 × 63,501.42
  4. Step 4: Simplify right side
    105,951.09x = 9,287,346,523.40
  5. Step 5: Solve for x
    x = 9,287,346,523.40/105,951.09
  6. Step 6: Final answer
    x = 87,656.92

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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.