Home / 130,950.42-180,732.06-77,241.30

Finding the Fourth Proportional to 130,950.42, 180,732.06 and 77,241.30

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Solution

The fourth proportional to 130,950.42, 180,732.06 and 77,241.30 is: 106,605.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,950.42 : 180,732.06 = 77,241.30 : x
  2. Step 2: Convert to fraction form
    130,950.42/180,732.06 = 77,241.30/x
  3. Step 3: Cross multiply
    130,950.42x = 180,732.06 × 77,241.30
  4. Step 4: Simplify right side
    130,950.42x = 13,959,979,266.08
  5. Step 5: Solve for x
    x = 13,959,979,266.08/130,950.42
  6. Step 6: Final answer
    x = 106,605.07

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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.