Home / 140,551.08-210,826.62-40,711.31

Finding the Fourth Proportional to 140,551.08, 210,826.62 and 40,711.31

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Solution

The fourth proportional to 140,551.08, 210,826.62 and 40,711.31 is: 61,066.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,551.08 : 210,826.62 = 40,711.31 : x
  2. Step 2: Convert to fraction form
    140,551.08/210,826.62 = 40,711.31/x
  3. Step 3: Cross multiply
    140,551.08x = 210,826.62 × 40,711.31
  4. Step 4: Simplify right side
    140,551.08x = 8,583,026,828.94
  5. Step 5: Solve for x
    x = 8,583,026,828.94/140,551.08
  6. Step 6: Final answer
    x = 61,066.96

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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.