Home / 83,180.32-124,652.53-64,372.81

Finding the Fourth Proportional to 83,180.32, 124,652.53 and 64,372.81

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Solution

The fourth proportional to 83,180.32, 124,652.53 and 64,372.81 is: 96,467.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,180.32 : 124,652.53 = 64,372.81 : x
  2. Step 2: Convert to fraction form
    83,180.32/124,652.53 = 64,372.81/x
  3. Step 3: Cross multiply
    83,180.32x = 124,652.53 × 64,372.81
  4. Step 4: Simplify right side
    83,180.32x = 8,024,233,629.71
  5. Step 5: Solve for x
    x = 8,024,233,629.71/83,180.32
  6. Step 6: Final answer
    x = 96,467.93

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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.