Home / 151,436.03-208,979.21-82,526.40

Finding the Fourth Proportional to 151,436.03, 208,979.21 and 82,526.40

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Solution

The fourth proportional to 151,436.03, 208,979.21 and 82,526.40 is: 113,885.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,436.03 : 208,979.21 = 82,526.40 : x
  2. Step 2: Convert to fraction form
    151,436.03/208,979.21 = 82,526.40/x
  3. Step 3: Cross multiply
    151,436.03x = 208,979.21 × 82,526.40
  4. Step 4: Simplify right side
    151,436.03x = 17,246,301,463.51
  5. Step 5: Solve for x
    x = 17,246,301,463.51/151,436.03
  6. Step 6: Final answer
    x = 113,885.06

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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.