Home / 127,794.36-176,356.22-74,110.51

Finding the Fourth Proportional to 127,794.36, 176,356.22 and 74,110.51

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Solution

The fourth proportional to 127,794.36, 176,356.22 and 74,110.51 is: 102,272.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,794.36 : 176,356.22 = 74,110.51 : x
  2. Step 2: Convert to fraction form
    127,794.36/176,356.22 = 74,110.51/x
  3. Step 3: Cross multiply
    127,794.36x = 176,356.22 × 74,110.51
  4. Step 4: Simplify right side
    127,794.36x = 13,069,849,591.15
  5. Step 5: Solve for x
    x = 13,069,849,591.15/127,794.36
  6. Step 6: Final answer
    x = 102,272.51

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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.