Home / 140,455.04-193,822.08-76,792.64

Finding the Fourth Proportional to 140,455.04, 193,822.08 and 76,792.64

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Solution

The fourth proportional to 140,455.04, 193,822.08 and 76,792.64 is: 105,970.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,455.04 : 193,822.08 = 76,792.64 : x
  2. Step 2: Convert to fraction form
    140,455.04/193,822.08 = 76,792.64/x
  3. Step 3: Cross multiply
    140,455.04x = 193,822.08 × 76,792.64
  4. Step 4: Simplify right side
    140,455.04x = 14,884,109,213.49
  5. Step 5: Solve for x
    x = 14,884,109,213.49/140,455.04
  6. Step 6: Final answer
    x = 105,970.63

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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.