Home / 138,232.12-190,852.14-106,344.76

Finding the Fourth Proportional to 138,232.12, 190,852.14 and 106,344.76

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Solution

The fourth proportional to 138,232.12, 190,852.14 and 106,344.76 is: 146,826.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,232.12 : 190,852.14 = 106,344.76 : x
  2. Step 2: Convert to fraction form
    138,232.12/190,852.14 = 106,344.76/x
  3. Step 3: Cross multiply
    138,232.12x = 190,852.14 × 106,344.76
  4. Step 4: Simplify right side
    138,232.12x = 20,296,125,023.79
  5. Step 5: Solve for x
    x = 20,296,125,023.79/138,232.12
  6. Step 6: Final answer
    x = 146,826.40

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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.