Home / 134,854.10-202,499.85-90,676.70

Finding the Fourth Proportional to 134,854.10, 202,499.85 and 90,676.70

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Solution

The fourth proportional to 134,854.10, 202,499.85 and 90,676.70 is: 136,162.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,854.10 : 202,499.85 = 90,676.70 : x
  2. Step 2: Convert to fraction form
    134,854.10/202,499.85 = 90,676.70/x
  3. Step 3: Cross multiply
    134,854.10x = 202,499.85 × 90,676.70
  4. Step 4: Simplify right side
    134,854.10x = 18,362,018,148.50
  5. Step 5: Solve for x
    x = 18,362,018,148.50/134,854.10
  6. Step 6: Final answer
    x = 136,162.11

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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.