Home / 145,010.10-200,120.56-84,571.14

Finding the Fourth Proportional to 145,010.10, 200,120.56 and 84,571.14

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Solution

The fourth proportional to 145,010.10, 200,120.56 and 84,571.14 is: 116,712.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,010.10 : 200,120.56 = 84,571.14 : x
  2. Step 2: Convert to fraction form
    145,010.10/200,120.56 = 84,571.14/x
  3. Step 3: Cross multiply
    145,010.10x = 200,120.56 × 84,571.14
  4. Step 4: Simplify right side
    145,010.10x = 16,924,423,896.64
  5. Step 5: Solve for x
    x = 16,924,423,896.64/145,010.10
  6. Step 6: Final answer
    x = 116,712.04

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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.