Home / 134,522.25-185,640.71-77,966.43

Finding the Fourth Proportional to 134,522.25, 185,640.71 and 77,966.43

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Solution

The fourth proportional to 134,522.25, 185,640.71 and 77,966.43 is: 107,593.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,522.25 : 185,640.71 = 77,966.43 : x
  2. Step 2: Convert to fraction form
    134,522.25/185,640.71 = 77,966.43/x
  3. Step 3: Cross multiply
    134,522.25x = 185,640.71 × 77,966.43
  4. Step 4: Simplify right side
    134,522.25x = 14,473,743,031.53
  5. Step 5: Solve for x
    x = 14,473,743,031.53/134,522.25
  6. Step 6: Final answer
    x = 107,593.67

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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.