Home / 151,351.11-208,856.81-83,366.62

Finding the Fourth Proportional to 151,351.11, 208,856.81 and 83,366.62

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Solution

The fourth proportional to 151,351.11, 208,856.81 and 83,366.62 is: 115,041.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,351.11 : 208,856.81 = 83,366.62 : x
  2. Step 2: Convert to fraction form
    151,351.11/208,856.81 = 83,366.62/x
  3. Step 3: Cross multiply
    151,351.11x = 208,856.81 × 83,366.62
  4. Step 4: Simplify right side
    151,351.11x = 17,411,685,999.96
  5. Step 5: Solve for x
    x = 17,411,685,999.96/151,351.11
  6. Step 6: Final answer
    x = 115,041.68

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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.