Home / 178,864.88-246,779.70-107,218.76

Finding the Fourth Proportional to 178,864.88, 246,779.70 and 107,218.76

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Solution

The fourth proportional to 178,864.88, 246,779.70 and 107,218.76 is: 147,929.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,864.88 : 246,779.70 = 107,218.76 : x
  2. Step 2: Convert to fraction form
    178,864.88/246,779.70 = 107,218.76/x
  3. Step 3: Cross multiply
    178,864.88x = 246,779.70 × 107,218.76
  4. Step 4: Simplify right side
    178,864.88x = 26,459,413,427.17
  5. Step 5: Solve for x
    x = 26,459,413,427.17/178,864.88
  6. Step 6: Final answer
    x = 147,929.62

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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.