Home / 151,436.66-208,979.76-83,459.92

Finding the Fourth Proportional to 151,436.66, 208,979.76 and 83,459.92

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Solution

The fourth proportional to 151,436.66, 208,979.76 and 83,459.92 is: 115,173.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,436.66 : 208,979.76 = 83,459.92 : x
  2. Step 2: Convert to fraction form
    151,436.66/208,979.76 = 83,459.92/x
  3. Step 3: Cross multiply
    151,436.66x = 208,979.76 × 83,459.92
  4. Step 4: Simplify right side
    151,436.66x = 17,441,434,051.22
  5. Step 5: Solve for x
    x = 17,441,434,051.22/151,436.66
  6. Step 6: Final answer
    x = 115,173.13

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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.