Home / 151,051.50-208,451.07-83,069.70

Finding the Fourth Proportional to 151,051.50, 208,451.07 and 83,069.70

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Solution

The fourth proportional to 151,051.50, 208,451.07 and 83,069.70 is: 114,636.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,051.50 : 208,451.07 = 83,069.70 : x
  2. Step 2: Convert to fraction form
    151,051.50/208,451.07 = 83,069.70/x
  3. Step 3: Cross multiply
    151,051.50x = 208,451.07 × 83,069.70
  4. Step 4: Simplify right side
    151,051.50x = 17,315,967,849.58
  5. Step 5: Solve for x
    x = 17,315,967,849.58/151,051.50
  6. Step 6: Final answer
    x = 114,636.19

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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.