Home / 119,077.83-164,293.74-76,660.92

Finding the Fourth Proportional to 119,077.83, 164,293.74 and 76,660.92

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Solution

The fourth proportional to 119,077.83, 164,293.74 and 76,660.92 is: 105,770.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,077.83 : 164,293.74 = 76,660.92 : x
  2. Step 2: Convert to fraction form
    119,077.83/164,293.74 = 76,660.92/x
  3. Step 3: Cross multiply
    119,077.83x = 164,293.74 × 76,660.92
  4. Step 4: Simplify right side
    119,077.83x = 12,594,909,258.64
  5. Step 5: Solve for x
    x = 12,594,909,258.64/119,077.83
  6. Step 6: Final answer
    x = 105,770.40

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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.