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Finding the Fourth Proportional to 130,010.80, 182,540 and 130,010.80

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Solution

The fourth proportional to 130,010.80, 182,540 and 130,010.80 is: 182,540

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,010.80 : 182,540 = 130,010.80 : x
  2. Step 2: Convert to fraction form
    130,010.80/182,540 = 130,010.80/x
  3. Step 3: Cross multiply
    130,010.80x = 182,540 × 130,010.80
  4. Step 4: Simplify right side
    130,010.80x = 23,732,171,432
  5. Step 5: Solve for x
    x = 23,732,171,432/130,010.80
  6. Step 6: Final answer
    x = 182,540

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.