Home / 106,276.40-146,677.56-80,740.88

Finding the Fourth Proportional to 106,276.40, 146,677.56 and 80,740.88

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Solution

The fourth proportional to 106,276.40, 146,677.56 and 80,740.88 is: 111,434.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,276.40 : 146,677.56 = 80,740.88 : x
  2. Step 2: Convert to fraction form
    106,276.40/146,677.56 = 80,740.88/x
  3. Step 3: Cross multiply
    106,276.40x = 146,677.56 × 80,740.88
  4. Step 4: Simplify right side
    106,276.40x = 11,842,875,270.65
  5. Step 5: Solve for x
    x = 11,842,875,270.65/106,276.40
  6. Step 6: Final answer
    x = 111,434.67

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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.