Home / 169,918.13-254,860.72-51,590.50

Finding the Fourth Proportional to 169,918.13, 254,860.72 and 51,590.50

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Solution

The fourth proportional to 169,918.13, 254,860.72 and 51,590.50 is: 77,380.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,918.13 : 254,860.72 = 51,590.50 : x
  2. Step 2: Convert to fraction form
    169,918.13/254,860.72 = 51,590.50/x
  3. Step 3: Cross multiply
    169,918.13x = 254,860.72 × 51,590.50
  4. Step 4: Simplify right side
    169,918.13x = 13,148,391,209.03
  5. Step 5: Solve for x
    x = 13,148,391,209.03/169,918.13
  6. Step 6: Final answer
    x = 77,380.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.