Home / 97,139.64-134,067.58-58,905.40

Finding the Fourth Proportional to 97,139.64, 134,067.58 and 58,905.40

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Solution

The fourth proportional to 97,139.64, 134,067.58 and 58,905.40 is: 81,298.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,139.64 : 134,067.58 = 58,905.40 : x
  2. Step 2: Convert to fraction form
    97,139.64/134,067.58 = 58,905.40/x
  3. Step 3: Cross multiply
    97,139.64x = 134,067.58 × 58,905.40
  4. Step 4: Simplify right side
    97,139.64x = 7,897,304,426.93
  5. Step 5: Solve for x
    x = 7,897,304,426.93/97,139.64
  6. Step 6: Final answer
    x = 81,298.47

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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.