Home / 192,870.67-266,159.76-107,989.15

Finding the Fourth Proportional to 192,870.67, 266,159.76 and 107,989.15

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Solution

The fourth proportional to 192,870.67, 266,159.76 and 107,989.15 is: 149,024.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,870.67 : 266,159.76 = 107,989.15 : x
  2. Step 2: Convert to fraction form
    192,870.67/266,159.76 = 107,989.15/x
  3. Step 3: Cross multiply
    192,870.67x = 266,159.76 × 107,989.15
  4. Step 4: Simplify right side
    192,870.67x = 28,742,366,246.60
  5. Step 5: Solve for x
    x = 28,742,366,246.60/192,870.67
  6. Step 6: Final answer
    x = 149,024.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.