Home / 107,136.78-160,712.55-44,807.28

Finding the Fourth Proportional to 107,136.78, 160,712.55 and 44,807.28

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Solution

The fourth proportional to 107,136.78, 160,712.55 and 44,807.28 is: 67,214.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,136.78 : 160,712.55 = 44,807.28 : x
  2. Step 2: Convert to fraction form
    107,136.78/160,712.55 = 44,807.28/x
  3. Step 3: Cross multiply
    107,136.78x = 160,712.55 × 44,807.28
  4. Step 4: Simplify right side
    107,136.78x = 7,201,092,227.36
  5. Step 5: Solve for x
    x = 7,201,092,227.36/107,136.78
  6. Step 6: Final answer
    x = 67,214.01

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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.