Home / 130,897.80-196,443.90-52,068.60

Finding the Fourth Proportional to 130,897.80, 196,443.90 and 52,068.60

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Solution

The fourth proportional to 130,897.80, 196,443.90 and 52,068.60 is: 78,141.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,897.80 : 196,443.90 = 52,068.60 : x
  2. Step 2: Convert to fraction form
    130,897.80/196,443.90 = 52,068.60/x
  3. Step 3: Cross multiply
    130,897.80x = 196,443.90 × 52,068.60
  4. Step 4: Simplify right side
    130,897.80x = 10,228,558,851.54
  5. Step 5: Solve for x
    x = 10,228,558,851.54/130,897.80
  6. Step 6: Final answer
    x = 78,141.56

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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.