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Finding the Fourth Proportional to 176,922.30, 265,383.45 and 130,266.30

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Solution

The fourth proportional to 176,922.30, 265,383.45 and 130,266.30 is: 195,399.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,922.30 : 265,383.45 = 130,266.30 : x
  2. Step 2: Convert to fraction form
    176,922.30/265,383.45 = 130,266.30/x
  3. Step 3: Cross multiply
    176,922.30x = 265,383.45 × 130,266.30
  4. Step 4: Simplify right side
    176,922.30x = 34,570,520,112.74
  5. Step 5: Solve for x
    x = 34,570,520,112.74/176,922.30
  6. Step 6: Final answer
    x = 195,399.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.