Home / 145,346.43-200,594.70-80,822.10

Finding the Fourth Proportional to 145,346.43, 200,594.70 and 80,822.10

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Solution

The fourth proportional to 145,346.43, 200,594.70 and 80,822.10 is: 111,543.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,346.43 : 200,594.70 = 80,822.10 : x
  2. Step 2: Convert to fraction form
    145,346.43/200,594.70 = 80,822.10/x
  3. Step 3: Cross multiply
    145,346.43x = 200,594.70 × 80,822.10
  4. Step 4: Simplify right side
    145,346.43x = 16,212,484,902.87
  5. Step 5: Solve for x
    x = 16,212,484,902.87/145,346.43
  6. Step 6: Final answer
    x = 111,543.74

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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.