Home / 106,420.48-146,876.16-63,998.08

Finding the Fourth Proportional to 106,420.48, 146,876.16 and 63,998.08

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Solution

The fourth proportional to 106,420.48, 146,876.16 and 63,998.08 is: 88,326.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,420.48 : 146,876.16 = 63,998.08 : x
  2. Step 2: Convert to fraction form
    106,420.48/146,876.16 = 63,998.08/x
  3. Step 3: Cross multiply
    106,420.48x = 146,876.16 × 63,998.08
  4. Step 4: Simplify right side
    106,420.48x = 9,399,792,237.77
  5. Step 5: Solve for x
    x = 9,399,792,237.77/106,420.48
  6. Step 6: Final answer
    x = 88,326.91

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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.