Home / 145,110.49-200,327.63-112,772.86

Finding the Fourth Proportional to 145,110.49, 200,327.63 and 112,772.86

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Solution

The fourth proportional to 145,110.49, 200,327.63 and 112,772.86 is: 155,684.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,110.49 : 200,327.63 = 112,772.86 : x
  2. Step 2: Convert to fraction form
    145,110.49/200,327.63 = 112,772.86/x
  3. Step 3: Cross multiply
    145,110.49x = 200,327.63 × 112,772.86
  4. Step 4: Simplify right side
    145,110.49x = 22,591,518,707.44
  5. Step 5: Solve for x
    x = 22,591,518,707.44/145,110.49
  6. Step 6: Final answer
    x = 155,684.95

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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.