Home / 145,327.28-200,527.39-80,794.71

Finding the Fourth Proportional to 145,327.28, 200,527.39 and 80,794.71

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Solution

The fourth proportional to 145,327.28, 200,527.39 and 80,794.71 is: 111,483.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,327.28 : 200,527.39 = 80,794.71 : x
  2. Step 2: Convert to fraction form
    145,327.28/200,527.39 = 80,794.71/x
  3. Step 3: Cross multiply
    145,327.28x = 200,527.39 × 80,794.71
  4. Step 4: Simplify right side
    145,327.28x = 16,201,552,423.10
  5. Step 5: Solve for x
    x = 16,201,552,423.10/145,327.28
  6. Step 6: Final answer
    x = 111,483.22

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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.