Home / 161,740.26-242,527.55-86,923.40

Finding the Fourth Proportional to 161,740.26, 242,527.55 and 86,923.40

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Solution

The fourth proportional to 161,740.26, 242,527.55 and 86,923.40 is: 130,340.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,740.26 : 242,527.55 = 86,923.40 : x
  2. Step 2: Convert to fraction form
    161,740.26/242,527.55 = 86,923.40/x
  3. Step 3: Cross multiply
    161,740.26x = 242,527.55 × 86,923.40
  4. Step 4: Simplify right side
    161,740.26x = 21,081,317,592.42
  5. Step 5: Solve for x
    x = 21,081,317,592.42/161,740.26
  6. Step 6: Final answer
    x = 130,340.57

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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.