Home / 145,267.32-200,468.93-80,736.55

Finding the Fourth Proportional to 145,267.32, 200,468.93 and 80,736.55

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Solution

The fourth proportional to 145,267.32, 200,468.93 and 80,736.55 is: 111,416.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,267.32 : 200,468.93 = 80,736.55 : x
  2. Step 2: Convert to fraction form
    145,267.32/200,468.93 = 80,736.55/x
  3. Step 3: Cross multiply
    145,267.32x = 200,468.93 × 80,736.55
  4. Step 4: Simplify right side
    145,267.32x = 16,185,168,885.54
  5. Step 5: Solve for x
    x = 16,185,168,885.54/145,267.32
  6. Step 6: Final answer
    x = 111,416.45

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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.