Home / 127,836.92-176,415.54-74,153.72

Finding the Fourth Proportional to 127,836.92, 176,415.54 and 74,153.72

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Solution

The fourth proportional to 127,836.92, 176,415.54 and 74,153.72 is: 102,332.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,836.92 : 176,415.54 = 74,153.72 : x
  2. Step 2: Convert to fraction form
    127,836.92/176,415.54 = 74,153.72/x
  3. Step 3: Cross multiply
    127,836.92x = 176,415.54 × 74,153.72
  4. Step 4: Simplify right side
    127,836.92x = 13,081,868,556.81
  5. Step 5: Solve for x
    x = 13,081,868,556.81/127,836.92
  6. Step 6: Final answer
    x = 102,332.48

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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.