Home / 148,142.96-204,436.40-84,479.36

Finding the Fourth Proportional to 148,142.96, 204,436.40 and 84,479.36

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Solution

The fourth proportional to 148,142.96, 204,436.40 and 84,479.36 is: 116,581.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,142.96 : 204,436.40 = 84,479.36 : x
  2. Step 2: Convert to fraction form
    148,142.96/204,436.40 = 84,479.36/x
  3. Step 3: Cross multiply
    148,142.96x = 204,436.40 × 84,479.36
  4. Step 4: Simplify right side
    148,142.96x = 17,270,656,232.70
  5. Step 5: Solve for x
    x = 17,270,656,232.70/148,142.96
  6. Step 6: Final answer
    x = 116,581.01

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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.