Home / 133,213.60-200,039.10-89,036.20

Finding the Fourth Proportional to 133,213.60, 200,039.10 and 89,036.20

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Solution

The fourth proportional to 133,213.60, 200,039.10 and 89,036.20 is: 133,700.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,213.60 : 200,039.10 = 89,036.20 : x
  2. Step 2: Convert to fraction form
    133,213.60/200,039.10 = 89,036.20/x
  3. Step 3: Cross multiply
    133,213.60x = 200,039.10 × 89,036.20
  4. Step 4: Simplify right side
    133,213.60x = 17,810,721,315.42
  5. Step 5: Solve for x
    x = 17,810,721,315.42/133,213.60
  6. Step 6: Final answer
    x = 133,700.47

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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.