Home / 134,291.03-185,312.58-76,930.57

Finding the Fourth Proportional to 134,291.03, 185,312.58 and 76,930.57

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Solution

The fourth proportional to 134,291.03, 185,312.58 and 76,930.57 is: 106,159.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,291.03 : 185,312.58 = 76,930.57 : x
  2. Step 2: Convert to fraction form
    134,291.03/185,312.58 = 76,930.57/x
  3. Step 3: Cross multiply
    134,291.03x = 185,312.58 × 76,930.57
  4. Step 4: Simplify right side
    134,291.03x = 14,256,202,350.72
  5. Step 5: Solve for x
    x = 14,256,202,350.72/134,291.03
  6. Step 6: Final answer
    x = 106,159.01

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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.