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Finding the Fourth Proportional to 185,014.64, 255,291 and 108,528.32

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Solution

The fourth proportional to 185,014.64, 255,291 and 108,528.32 is: 149,751.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,014.64 : 255,291 = 108,528.32 : x
  2. Step 2: Convert to fraction form
    185,014.64/255,291 = 108,528.32/x
  3. Step 3: Cross multiply
    185,014.64x = 255,291 × 108,528.32
  4. Step 4: Simplify right side
    185,014.64x = 27,706,303,341.12
  5. Step 5: Solve for x
    x = 27,706,303,341.12/185,014.64
  6. Step 6: Final answer
    x = 149,751.95

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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.