Home / 142,630.47-196,785.65-94,891.91

Finding the Fourth Proportional to 142,630.47, 196,785.65 and 94,891.91

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Solution

The fourth proportional to 142,630.47, 196,785.65 and 94,891.91 is: 130,921.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,630.47 : 196,785.65 = 94,891.91 : x
  2. Step 2: Convert to fraction form
    142,630.47/196,785.65 = 94,891.91/x
  3. Step 3: Cross multiply
    142,630.47x = 196,785.65 × 94,891.91
  4. Step 4: Simplify right side
    142,630.47x = 18,673,365,442.39
  5. Step 5: Solve for x
    x = 18,673,365,442.39/142,630.47
  6. Step 6: Final answer
    x = 130,921.29

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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.