Home / 130,724.90-196,087.35-64,207.70

Finding the Fourth Proportional to 130,724.90, 196,087.35 and 64,207.70

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Solution

The fourth proportional to 130,724.90, 196,087.35 and 64,207.70 is: 96,311.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,724.90 : 196,087.35 = 64,207.70 : x
  2. Step 2: Convert to fraction form
    130,724.90/196,087.35 = 64,207.70/x
  3. Step 3: Cross multiply
    130,724.90x = 196,087.35 × 64,207.70
  4. Step 4: Simplify right side
    130,724.90x = 12,590,317,742.60
  5. Step 5: Solve for x
    x = 12,590,317,742.60/130,724.90
  6. Step 6: Final answer
    x = 96,311.55

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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.