Home / 130,497.28-180,080.22-73,909.06

Finding the Fourth Proportional to 130,497.28, 180,080.22 and 73,909.06

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Solution

The fourth proportional to 130,497.28, 180,080.22 and 73,909.06 is: 101,991.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,497.28 : 180,080.22 = 73,909.06 : x
  2. Step 2: Convert to fraction form
    130,497.28/180,080.22 = 73,909.06/x
  3. Step 3: Cross multiply
    130,497.28x = 180,080.22 × 73,909.06
  4. Step 4: Simplify right side
    130,497.28x = 13,309,559,784.79
  5. Step 5: Solve for x
    x = 13,309,559,784.79/130,497.28
  6. Step 6: Final answer
    x = 101,991.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.