Home / 147,159.78-203,184.66-114,930.72

Finding the Fourth Proportional to 147,159.78, 203,184.66 and 114,930.72

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Solution

The fourth proportional to 147,159.78, 203,184.66 and 114,930.72 is: 158,685.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,159.78 : 203,184.66 = 114,930.72 : x
  2. Step 2: Convert to fraction form
    147,159.78/203,184.66 = 114,930.72/x
  3. Step 3: Cross multiply
    147,159.78x = 203,184.66 × 114,930.72
  4. Step 4: Simplify right side
    147,159.78x = 23,352,159,266.76
  5. Step 5: Solve for x
    x = 23,352,159,266.76/147,159.78
  6. Step 6: Final answer
    x = 158,685.74

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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.