Home / 180,078.31-248,211.70-127,707.76

Finding the Fourth Proportional to 180,078.31, 248,211.70 and 127,707.76

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Solution

The fourth proportional to 180,078.31, 248,211.70 and 127,707.76 is: 176,026.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,078.31 : 248,211.70 = 127,707.76 : x
  2. Step 2: Convert to fraction form
    180,078.31/248,211.70 = 127,707.76/x
  3. Step 3: Cross multiply
    180,078.31x = 248,211.70 × 127,707.76
  4. Step 4: Simplify right side
    180,078.31x = 31,698,560,212.79
  5. Step 5: Solve for x
    x = 31,698,560,212.79/180,078.31
  6. Step 6: Final answer
    x = 176,026.53

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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.