Home / 131,532.34-181,532.40-74,183.44

Finding the Fourth Proportional to 131,532.34, 181,532.40 and 74,183.44

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Solution

The fourth proportional to 131,532.34, 181,532.40 and 74,183.44 is: 102,383.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,532.34 : 181,532.40 = 74,183.44 : x
  2. Step 2: Convert to fraction form
    131,532.34/181,532.40 = 74,183.44/x
  3. Step 3: Cross multiply
    131,532.34x = 181,532.40 × 74,183.44
  4. Step 4: Simplify right side
    131,532.34x = 13,466,696,995.79
  5. Step 5: Solve for x
    x = 13,466,696,995.79/131,532.34
  6. Step 6: Final answer
    x = 102,383.17

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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.