Home / 165,347.16-228,141.54-93,710.76

Finding the Fourth Proportional to 165,347.16, 228,141.54 and 93,710.76

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Solution

The fourth proportional to 165,347.16, 228,141.54 and 93,710.76 is: 129,299.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,347.16 : 228,141.54 = 93,710.76 : x
  2. Step 2: Convert to fraction form
    165,347.16/228,141.54 = 93,710.76/x
  3. Step 3: Cross multiply
    165,347.16x = 228,141.54 × 93,710.76
  4. Step 4: Simplify right side
    165,347.16x = 21,379,317,100.97
  5. Step 5: Solve for x
    x = 21,379,317,100.97/165,347.16
  6. Step 6: Final answer
    x = 129,299.57

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1.5x scale

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.