Home / 137,639.23-206,319.42-93,270.46

Finding the Fourth Proportional to 137,639.23, 206,319.42 and 93,270.46

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Solution

The fourth proportional to 137,639.23, 206,319.42 and 93,270.46 is: 139,811.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,639.23 : 206,319.42 = 93,270.46 : x
  2. Step 2: Convert to fraction form
    137,639.23/206,319.42 = 93,270.46/x
  3. Step 3: Cross multiply
    137,639.23x = 206,319.42 × 93,270.46
  4. Step 4: Simplify right side
    137,639.23x = 19,243,507,210.33
  5. Step 5: Solve for x
    x = 19,243,507,210.33/137,639.23
  6. Step 6: Final answer
    x = 139,811.21

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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.