Home / 134,981.15-186,294.68-83,328.33

Finding the Fourth Proportional to 134,981.15, 186,294.68 and 83,328.33

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Solution

The fourth proportional to 134,981.15, 186,294.68 and 83,328.33 is: 115,005.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,981.15 : 186,294.68 = 83,328.33 : x
  2. Step 2: Convert to fraction form
    134,981.15/186,294.68 = 83,328.33/x
  3. Step 3: Cross multiply
    134,981.15x = 186,294.68 × 83,328.33
  4. Step 4: Simplify right side
    134,981.15x = 15,523,624,572.28
  5. Step 5: Solve for x
    x = 15,523,624,572.28/134,981.15
  6. Step 6: Final answer
    x = 115,005.87

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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.