Home / 178,128.59-267,201.18-99,183.35

Finding the Fourth Proportional to 178,128.59, 267,201.18 and 99,183.35

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Solution

The fourth proportional to 178,128.59, 267,201.18 and 99,183.35 is: 148,779.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,128.59 : 267,201.18 = 99,183.35 : x
  2. Step 2: Convert to fraction form
    178,128.59/267,201.18 = 99,183.35/x
  3. Step 3: Cross multiply
    178,128.59x = 267,201.18 × 99,183.35
  4. Step 4: Simplify right side
    178,128.59x = 26,501,908,824.36
  5. Step 5: Solve for x
    x = 26,501,908,824.36/178,128.59
  6. Step 6: Final answer
    x = 148,779.65

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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.