Home / 133,543.40-200,315.10-89,025.80

Finding the Fourth Proportional to 133,543.40, 200,315.10 and 89,025.80

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Solution

The fourth proportional to 133,543.40, 200,315.10 and 89,025.80 is: 133,538.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,543.40 : 200,315.10 = 89,025.80 : x
  2. Step 2: Convert to fraction form
    133,543.40/200,315.10 = 89,025.80/x
  3. Step 3: Cross multiply
    133,543.40x = 200,315.10 × 89,025.80
  4. Step 4: Simplify right side
    133,543.40x = 17,833,212,029.58
  5. Step 5: Solve for x
    x = 17,833,212,029.58/133,543.40
  6. Step 6: Final answer
    x = 133,538.70

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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.