Home / 114,487.65-157,972.59-69,135.28

Finding the Fourth Proportional to 114,487.65, 157,972.59 and 69,135.28

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Solution

The fourth proportional to 114,487.65, 157,972.59 and 69,135.28 is: 95,394.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,487.65 : 157,972.59 = 69,135.28 : x
  2. Step 2: Convert to fraction form
    114,487.65/157,972.59 = 69,135.28/x
  3. Step 3: Cross multiply
    114,487.65x = 157,972.59 × 69,135.28
  4. Step 4: Simplify right side
    114,487.65x = 10,921,479,241.98
  5. Step 5: Solve for x
    x = 10,921,479,241.98/114,487.65
  6. Step 6: Final answer
    x = 95,394.39

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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.