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Finding the Fourth Proportional to 137,860.08, 206,774.88 and 44,358

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Solution

The fourth proportional to 137,860.08, 206,774.88 and 44,358 is: 66,532.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,860.08 : 206,774.88 = 44,358 : x
  2. Step 2: Convert to fraction form
    137,860.08/206,774.88 = 44,358/x
  3. Step 3: Cross multiply
    137,860.08x = 206,774.88 × 44,358
  4. Step 4: Simplify right side
    137,860.08x = 9,172,120,127.04
  5. Step 5: Solve for x
    x = 9,172,120,127.04/137,860.08
  6. Step 6: Final answer
    x = 66,532.10

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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.