Home / 307,521.15-461,343.99-130,027.87

Finding the Fourth Proportional to 307,521.15, 461,343.99 and 130,027.87

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Solution

The fourth proportional to 307,521.15, 461,343.99 and 130,027.87 is: 195,068.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,521.15 : 461,343.99 = 130,027.87 : x
  2. Step 2: Convert to fraction form
    307,521.15/461,343.99 = 130,027.87/x
  3. Step 3: Cross multiply
    307,521.15x = 461,343.99 × 130,027.87
  4. Step 4: Simplify right side
    307,521.15x = 59,987,576,357.00
  5. Step 5: Solve for x
    x = 59,987,576,357.00/307,521.15
  6. Step 6: Final answer
    x = 195,068.13

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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.