Home / 139,710.18-209,563.23-34,529.16

Finding the Fourth Proportional to 139,710.18, 209,563.23 and 34,529.16

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Solution

The fourth proportional to 139,710.18, 209,563.23 and 34,529.16 is: 51,793.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,710.18 : 209,563.23 = 34,529.16 : x
  2. Step 2: Convert to fraction form
    139,710.18/209,563.23 = 34,529.16/x
  3. Step 3: Cross multiply
    139,710.18x = 209,563.23 × 34,529.16
  4. Step 4: Simplify right side
    139,710.18x = 7,236,042,298.79
  5. Step 5: Solve for x
    x = 7,236,042,298.79/139,710.18
  6. Step 6: Final answer
    x = 51,793.24

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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.