Home / 139,592.23-209,389.58-39,752.34

Finding the Fourth Proportional to 139,592.23, 209,389.58 and 39,752.34

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Solution

The fourth proportional to 139,592.23, 209,389.58 and 39,752.34 is: 59,628.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,592.23 : 209,389.58 = 39,752.34 : x
  2. Step 2: Convert to fraction form
    139,592.23/209,389.58 = 39,752.34/x
  3. Step 3: Cross multiply
    139,592.23x = 209,389.58 × 39,752.34
  4. Step 4: Simplify right side
    139,592.23x = 8,323,725,776.62
  5. Step 5: Solve for x
    x = 8,323,725,776.62/139,592.23
  6. Step 6: Final answer
    x = 59,628.86

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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.