Home / 176,187.69-243,018.58-112,496.78

Finding the Fourth Proportional to 176,187.69, 243,018.58 and 112,496.78

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Solution

The fourth proportional to 176,187.69, 243,018.58 and 112,496.78 is: 155,168.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,187.69 : 243,018.58 = 112,496.78 : x
  2. Step 2: Convert to fraction form
    176,187.69/243,018.58 = 112,496.78/x
  3. Step 3: Cross multiply
    176,187.69x = 243,018.58 × 112,496.78
  4. Step 4: Simplify right side
    176,187.69x = 27,338,805,952.60
  5. Step 5: Solve for x
    x = 27,338,805,952.60/176,187.69
  6. Step 6: Final answer
    x = 155,168.65

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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.