Home / 130,985.01-196,313.07-56,016.96

Finding the Fourth Proportional to 130,985.01, 196,313.07 and 56,016.96

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Solution

The fourth proportional to 130,985.01, 196,313.07 and 56,016.96 is: 83,955.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,985.01 : 196,313.07 = 56,016.96 : x
  2. Step 2: Convert to fraction form
    130,985.01/196,313.07 = 56,016.96/x
  3. Step 3: Cross multiply
    130,985.01x = 196,313.07 × 56,016.96
  4. Step 4: Simplify right side
    130,985.01x = 10,996,861,389.67
  5. Step 5: Solve for x
    x = 10,996,861,389.67/130,985.01
  6. Step 6: Final answer
    x = 83,955.11

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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.