Home / 101,461.29-152,226.81-45,340.13

Finding the Fourth Proportional to 101,461.29, 152,226.81 and 45,340.13

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Solution

The fourth proportional to 101,461.29, 152,226.81 and 45,340.13 is: 68,025.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,461.29 : 152,226.81 = 45,340.13 : x
  2. Step 2: Convert to fraction form
    101,461.29/152,226.81 = 45,340.13/x
  3. Step 3: Cross multiply
    101,461.29x = 152,226.81 × 45,340.13
  4. Step 4: Simplify right side
    101,461.29x = 6,901,983,354.89
  5. Step 5: Solve for x
    x = 6,901,983,354.89/101,461.29
  6. Step 6: Final answer
    x = 68,025.78

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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.