Home / 151,744.08-209,411.16-83,765.04

Finding the Fourth Proportional to 151,744.08, 209,411.16 and 83,765.04

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Solution

The fourth proportional to 151,744.08, 209,411.16 and 83,765.04 is: 115,598.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,744.08 : 209,411.16 = 83,765.04 : x
  2. Step 2: Convert to fraction form
    151,744.08/209,411.16 = 83,765.04/x
  3. Step 3: Cross multiply
    151,744.08x = 209,411.16 × 83,765.04
  4. Step 4: Simplify right side
    151,744.08x = 17,541,334,193.85
  5. Step 5: Solve for x
    x = 17,541,334,193.85/151,744.08
  6. Step 6: Final answer
    x = 115,598.15

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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.