Home / 175,721.98-242,439.16-112,080.28

Finding the Fourth Proportional to 175,721.98, 242,439.16 and 112,080.28

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Solution

The fourth proportional to 175,721.98, 242,439.16 and 112,080.28 is: 154,634.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,721.98 : 242,439.16 = 112,080.28 : x
  2. Step 2: Convert to fraction form
    175,721.98/242,439.16 = 112,080.28/x
  3. Step 3: Cross multiply
    175,721.98x = 242,439.16 × 112,080.28
  4. Step 4: Simplify right side
    175,721.98x = 27,172,648,935.76
  5. Step 5: Solve for x
    x = 27,172,648,935.76/175,721.98
  6. Step 6: Final answer
    x = 154,634.32

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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.