Home / 109,176.54-150,666.56-61,431.58

Finding the Fourth Proportional to 109,176.54, 150,666.56 and 61,431.58

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Solution

The fourth proportional to 109,176.54, 150,666.56 and 61,431.58 is: 84,777.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,176.54 : 150,666.56 = 61,431.58 : x
  2. Step 2: Convert to fraction form
    109,176.54/150,666.56 = 61,431.58/x
  3. Step 3: Cross multiply
    109,176.54x = 150,666.56 × 61,431.58
  4. Step 4: Simplify right side
    109,176.54x = 9,255,684,833.96
  5. Step 5: Solve for x
    x = 9,255,684,833.96/109,176.54
  6. Step 6: Final answer
    x = 84,777.24

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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.