Home / 130,960.70-196,477.31-52,130.28

Finding the Fourth Proportional to 130,960.70, 196,477.31 and 52,130.28

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Solution

The fourth proportional to 130,960.70, 196,477.31 and 52,130.28 is: 78,209.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,960.70 : 196,477.31 = 52,130.28 : x
  2. Step 2: Convert to fraction form
    130,960.70/196,477.31 = 52,130.28/x
  3. Step 3: Cross multiply
    130,960.70x = 196,477.31 × 52,130.28
  4. Step 4: Simplify right side
    130,960.70x = 10,242,418,051.06
  5. Step 5: Solve for x
    x = 10,242,418,051.06/130,960.70
  6. Step 6: Final answer
    x = 78,209.86

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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.