Home / 151,459.36-209,005.39-83,476.13

Finding the Fourth Proportional to 151,459.36, 209,005.39 and 83,476.13

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Solution

The fourth proportional to 151,459.36, 209,005.39 and 83,476.13 is: 115,192.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,459.36 : 209,005.39 = 83,476.13 : x
  2. Step 2: Convert to fraction form
    151,459.36/209,005.39 = 83,476.13/x
  3. Step 3: Cross multiply
    151,459.36x = 209,005.39 × 83,476.13
  4. Step 4: Simplify right side
    151,459.36x = 17,446,960,583.83
  5. Step 5: Solve for x
    x = 17,446,960,583.83/151,459.36
  6. Step 6: Final answer
    x = 115,192.36

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1.5x scale

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.