Home / 147,773.27-221,558.64-53,001.42

Finding the Fourth Proportional to 147,773.27, 221,558.64 and 53,001.42

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Solution

The fourth proportional to 147,773.27, 221,558.64 and 53,001.42 is: 79,465.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,773.27 : 221,558.64 = 53,001.42 : x
  2. Step 2: Convert to fraction form
    147,773.27/221,558.64 = 53,001.42/x
  3. Step 3: Cross multiply
    147,773.27x = 221,558.64 × 53,001.42
  4. Step 4: Simplify right side
    147,773.27x = 11,742,922,533.27
  5. Step 5: Solve for x
    x = 11,742,922,533.27/147,773.27
  6. Step 6: Final answer
    x = 79,465.81

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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.