Home / 255,153.24-382,815.91-112,979.10

Finding the Fourth Proportional to 255,153.24, 382,815.91 and 112,979.10

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Solution

The fourth proportional to 255,153.24, 382,815.91 and 112,979.10 is: 169,506.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,153.24 : 382,815.91 = 112,979.10 : x
  2. Step 2: Convert to fraction form
    255,153.24/382,815.91 = 112,979.10/x
  3. Step 3: Cross multiply
    255,153.24x = 382,815.91 × 112,979.10
  4. Step 4: Simplify right side
    255,153.24x = 43,250,197,918.76
  5. Step 5: Solve for x
    x = 43,250,197,918.76/255,153.24
  6. Step 6: Final answer
    x = 169,506.76

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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.