Home / 127,699.31-176,225.04-74,015.46

Finding the Fourth Proportional to 127,699.31, 176,225.04 and 74,015.46

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Solution

The fourth proportional to 127,699.31, 176,225.04 and 74,015.46 is: 102,141.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,699.31 : 176,225.04 = 74,015.46 : x
  2. Step 2: Convert to fraction form
    127,699.31/176,225.04 = 74,015.46/x
  3. Step 3: Cross multiply
    127,699.31x = 176,225.04 × 74,015.46
  4. Step 4: Simplify right side
    127,699.31x = 13,043,377,711.92
  5. Step 5: Solve for x
    x = 13,043,377,711.92/127,699.31
  6. Step 6: Final answer
    x = 102,141.34

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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.