Home / 130,686.52-196,006.28-34,624.40

Finding the Fourth Proportional to 130,686.52, 196,006.28 and 34,624.40

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Solution

The fourth proportional to 130,686.52, 196,006.28 and 34,624.40 is: 51,930.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,686.52 : 196,006.28 = 34,624.40 : x
  2. Step 2: Convert to fraction form
    130,686.52/196,006.28 = 34,624.40/x
  3. Step 3: Cross multiply
    130,686.52x = 196,006.28 × 34,624.40
  4. Step 4: Simplify right side
    130,686.52x = 6,786,599,841.23
  5. Step 5: Solve for x
    x = 6,786,599,841.23/130,686.52
  6. Step 6: Final answer
    x = 51,930.37

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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.