Home / 127,719.80-176,246.38-70,347.94

Finding the Fourth Proportional to 127,719.80, 176,246.38 and 70,347.94

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Solution

The fourth proportional to 127,719.80, 176,246.38 and 70,347.94 is: 97,076.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,719.80 : 176,246.38 = 70,347.94 : x
  2. Step 2: Convert to fraction form
    127,719.80/176,246.38 = 70,347.94/x
  3. Step 3: Cross multiply
    127,719.80x = 176,246.38 × 70,347.94
  4. Step 4: Simplify right side
    127,719.80x = 12,398,569,765.46
  5. Step 5: Solve for x
    x = 12,398,569,765.46/127,719.80
  6. Step 6: Final answer
    x = 97,076.33

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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.