Home / 139,562.60-209,346.32-39,725.36

Finding the Fourth Proportional to 139,562.60, 209,346.32 and 39,725.36

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Solution

The fourth proportional to 139,562.60, 209,346.32 and 39,725.36 is: 59,588.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,562.60 : 209,346.32 = 39,725.36 : x
  2. Step 2: Convert to fraction form
    139,562.60/209,346.32 = 39,725.36/x
  3. Step 3: Cross multiply
    139,562.60x = 209,346.32 × 39,725.36
  4. Step 4: Simplify right side
    139,562.60x = 8,316,357,926.68
  5. Step 5: Solve for x
    x = 8,316,357,926.68/139,562.60
  6. Step 6: Final answer
    x = 59,588.73

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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.