Home / 144,927.80-217,283.70-74,857.40

Finding the Fourth Proportional to 144,927.80, 217,283.70 and 74,857.40

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Solution

The fourth proportional to 144,927.80, 217,283.70 and 74,857.40 is: 112,230.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,927.80 : 217,283.70 = 74,857.40 : x
  2. Step 2: Convert to fraction form
    144,927.80/217,283.70 = 74,857.40/x
  3. Step 3: Cross multiply
    144,927.80x = 217,283.70 × 74,857.40
  4. Step 4: Simplify right side
    144,927.80x = 16,265,292,844.38
  5. Step 5: Solve for x
    x = 16,265,292,844.38/144,927.80
  6. Step 6: Final answer
    x = 112,230.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.