Home / 139,368.99-192,388.05-94,108.26

Finding the Fourth Proportional to 139,368.99, 192,388.05 and 94,108.26

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Solution

The fourth proportional to 139,368.99, 192,388.05 and 94,108.26 is: 129,909.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,368.99 : 192,388.05 = 94,108.26 : x
  2. Step 2: Convert to fraction form
    139,368.99/192,388.05 = 94,108.26/x
  3. Step 3: Cross multiply
    139,368.99x = 192,388.05 × 94,108.26
  4. Step 4: Simplify right side
    139,368.99x = 18,105,304,630.29
  5. Step 5: Solve for x
    x = 18,105,304,630.29/139,368.99
  6. Step 6: Final answer
    x = 129,909.13

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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.