Home / 130,867.04-196,043.59-86,357.95

Finding the Fourth Proportional to 130,867.04, 196,043.59 and 86,357.95

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Solution

The fourth proportional to 130,867.04, 196,043.59 and 86,357.95 is: 129,367.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,867.04 : 196,043.59 = 86,357.95 : x
  2. Step 2: Convert to fraction form
    130,867.04/196,043.59 = 86,357.95/x
  3. Step 3: Cross multiply
    130,867.04x = 196,043.59 × 86,357.95
  4. Step 4: Simplify right side
    130,867.04x = 16,929,922,160.88
  5. Step 5: Solve for x
    x = 16,929,922,160.88/130,867.04
  6. Step 6: Final answer
    x = 129,367.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.