Home / 151,460.40-209,006.82-83,477.17

Finding the Fourth Proportional to 151,460.40, 209,006.82 and 83,477.17

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Solution

The fourth proportional to 151,460.40, 209,006.82 and 83,477.17 is: 115,193.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,460.40 : 209,006.82 = 83,477.17 : x
  2. Step 2: Convert to fraction form
    151,460.40/209,006.82 = 83,477.17/x
  3. Step 3: Cross multiply
    151,460.40x = 209,006.82 × 83,477.17
  4. Step 4: Simplify right side
    151,460.40x = 17,447,297,844.30
  5. Step 5: Solve for x
    x = 17,447,297,844.30/151,460.40
  6. Step 6: Final answer
    x = 115,193.79

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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.