Home / 140,487.23-193,875.75-80,056.58

Finding the Fourth Proportional to 140,487.23, 193,875.75 and 80,056.58

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Solution

The fourth proportional to 140,487.23, 193,875.75 and 80,056.58 is: 110,480.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,487.23 : 193,875.75 = 80,056.58 : x
  2. Step 2: Convert to fraction form
    140,487.23/193,875.75 = 80,056.58/x
  3. Step 3: Cross multiply
    140,487.23x = 193,875.75 × 80,056.58
  4. Step 4: Simplify right side
    140,487.23x = 15,521,029,489.94
  5. Step 5: Solve for x
    x = 15,521,029,489.94/140,487.23
  6. Step 6: Final answer
    x = 110,480.00

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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.