Home / 130,693.81-196,061.21-55,814.35

Finding the Fourth Proportional to 130,693.81, 196,061.21 and 55,814.35

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Solution

The fourth proportional to 130,693.81, 196,061.21 and 55,814.35 is: 83,730.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,693.81 : 196,061.21 = 55,814.35 : x
  2. Step 2: Convert to fraction form
    130,693.81/196,061.21 = 55,814.35/x
  3. Step 3: Cross multiply
    130,693.81x = 196,061.21 × 55,814.35
  4. Step 4: Simplify right side
    130,693.81x = 10,943,028,996.36
  5. Step 5: Solve for x
    x = 10,943,028,996.36/130,693.81
  6. Step 6: Final answer
    x = 83,730.28

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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.