Home / 151,624.80-209,239.62-83,648.28

Finding the Fourth Proportional to 151,624.80, 209,239.62 and 83,648.28

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Solution

The fourth proportional to 151,624.80, 209,239.62 and 83,648.28 is: 115,433.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,624.80 : 209,239.62 = 83,648.28 : x
  2. Step 2: Convert to fraction form
    151,624.80/209,239.62 = 83,648.28/x
  3. Step 3: Cross multiply
    151,624.80x = 209,239.62 × 83,648.28
  4. Step 4: Simplify right side
    151,624.80x = 17,502,534,320.85
  5. Step 5: Solve for x
    x = 17,502,534,320.85/151,624.80
  6. Step 6: Final answer
    x = 115,433.19

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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.