Home / 127,863.46-176,461.18-74,148

Finding the Fourth Proportional to 127,863.46, 176,461.18 and 74,148

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Solution

The fourth proportional to 127,863.46, 176,461.18 and 74,148 is: 102,329.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,863.46 : 176,461.18 = 74,148 : x
  2. Step 2: Convert to fraction form
    127,863.46/176,461.18 = 74,148/x
  3. Step 3: Cross multiply
    127,863.46x = 176,461.18 × 74,148
  4. Step 4: Simplify right side
    127,863.46x = 13,084,243,203.90
  5. Step 5: Solve for x
    x = 13,084,243,203.90/127,863.46
  6. Step 6: Final answer
    x = 102,329.81

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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.