Home / 106,934.80-147,606.94-61,630.86

Finding the Fourth Proportional to 106,934.80, 147,606.94 and 61,630.86

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Solution

The fourth proportional to 106,934.80, 147,606.94 and 61,630.86 is: 85,071.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,934.80 : 147,606.94 = 61,630.86 : x
  2. Step 2: Convert to fraction form
    106,934.80/147,606.94 = 61,630.86/x
  3. Step 3: Cross multiply
    106,934.80x = 147,606.94 × 61,630.86
  4. Step 4: Simplify right side
    106,934.80x = 9,097,142,654.17
  5. Step 5: Solve for x
    x = 9,097,142,654.17/106,934.80
  6. Step 6: Final answer
    x = 85,071.86

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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.