Home / 140,310.04-210,128.82-102,257.32

Finding the Fourth Proportional to 140,310.04, 210,128.82 and 102,257.32

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Solution

The fourth proportional to 140,310.04, 210,128.82 and 102,257.32 is: 153,140.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,310.04 : 210,128.82 = 102,257.32 : x
  2. Step 2: Convert to fraction form
    140,310.04/210,128.82 = 102,257.32/x
  3. Step 3: Cross multiply
    140,310.04x = 210,128.82 × 102,257.32
  4. Step 4: Simplify right side
    140,310.04x = 21,487,209,987.96
  5. Step 5: Solve for x
    x = 21,487,209,987.96/140,310.04
  6. Step 6: Final answer
    x = 153,140.93

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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.