Home / 151,457.06-209,002.21-83,473.82

Finding the Fourth Proportional to 151,457.06, 209,002.21 and 83,473.82

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Solution

The fourth proportional to 151,457.06, 209,002.21 and 83,473.82 is: 115,189.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,457.06 : 209,002.21 = 83,473.82 : x
  2. Step 2: Convert to fraction form
    151,457.06/209,002.21 = 83,473.82/x
  3. Step 3: Cross multiply
    151,457.06x = 209,002.21 × 83,473.82
  4. Step 4: Simplify right side
    151,457.06x = 17,446,212,857.14
  5. Step 5: Solve for x
    x = 17,446,212,857.14/151,457.06
  6. Step 6: Final answer
    x = 115,189.17

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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.