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Finding the Fourth Proportional to 185,505.58, 255,997.74 and 104,931.46

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Solution

The fourth proportional to 185,505.58, 255,997.74 and 104,931.46 is: 144,805.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,505.58 : 255,997.74 = 104,931.46 : x
  2. Step 2: Convert to fraction form
    185,505.58/255,997.74 = 104,931.46/x
  3. Step 3: Cross multiply
    185,505.58x = 255,997.74 × 104,931.46
  4. Step 4: Simplify right side
    185,505.58x = 26,862,216,614.90
  5. Step 5: Solve for x
    x = 26,862,216,614.90/185,505.58
  6. Step 6: Final answer
    x = 144,805.44

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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.