Home / 127,971.57-176,657.39-82,671.63

Finding the Fourth Proportional to 127,971.57, 176,657.39 and 82,671.63

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Solution

The fourth proportional to 127,971.57, 176,657.39 and 82,671.63 is: 114,123.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,971.57 : 176,657.39 = 82,671.63 : x
  2. Step 2: Convert to fraction form
    127,971.57/176,657.39 = 82,671.63/x
  3. Step 3: Cross multiply
    127,971.57x = 176,657.39 × 82,671.63
  4. Step 4: Simplify right side
    127,971.57x = 14,604,553,969.49
  5. Step 5: Solve for x
    x = 14,604,553,969.49/127,971.57
  6. Step 6: Final answer
    x = 114,123.43

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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.