Home / 145,503.17-200,795.70-80,975.13

Finding the Fourth Proportional to 145,503.17, 200,795.70 and 80,975.13

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Solution

The fourth proportional to 145,503.17, 200,795.70 and 80,975.13 is: 111,746.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,503.17 : 200,795.70 = 80,975.13 : x
  2. Step 2: Convert to fraction form
    145,503.17/200,795.70 = 80,975.13/x
  3. Step 3: Cross multiply
    145,503.17x = 200,795.70 × 80,975.13
  4. Step 4: Simplify right side
    145,503.17x = 16,259,457,910.94
  5. Step 5: Solve for x
    x = 16,259,457,910.94/145,503.17
  6. Step 6: Final answer
    x = 111,746.42

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1.5x scale

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.