Home / 102,631.84-153,969.39-38,590.38

Finding the Fourth Proportional to 102,631.84, 153,969.39 and 38,590.38

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Solution

The fourth proportional to 102,631.84, 153,969.39 and 38,590.38 is: 57,893.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,631.84 : 153,969.39 = 38,590.38 : x
  2. Step 2: Convert to fraction form
    102,631.84/153,969.39 = 38,590.38/x
  3. Step 3: Cross multiply
    102,631.84x = 153,969.39 × 38,590.38
  4. Step 4: Simplify right side
    102,631.84x = 5,941,737,268.47
  5. Step 5: Solve for x
    x = 5,941,737,268.47/102,631.84
  6. Step 6: Final answer
    x = 57,893.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.