Home / 178,864.37-246,779-107,218.25

Finding the Fourth Proportional to 178,864.37, 246,779 and 107,218.25

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Solution

The fourth proportional to 178,864.37, 246,779 and 107,218.25 is: 147,928.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,864.37 : 246,779 = 107,218.25 : x
  2. Step 2: Convert to fraction form
    178,864.37/246,779 = 107,218.25/x
  3. Step 3: Cross multiply
    178,864.37x = 246,779 × 107,218.25
  4. Step 4: Simplify right side
    178,864.37x = 26,459,212,516.75
  5. Step 5: Solve for x
    x = 26,459,212,516.75/178,864.37
  6. Step 6: Final answer
    x = 147,928.92

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1.5x scale

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.