Home / 135,785.70-203,666.60-60,885.74

Finding the Fourth Proportional to 135,785.70, 203,666.60 and 60,885.74

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Solution

The fourth proportional to 135,785.70, 203,666.60 and 60,885.74 is: 91,323.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,785.70 : 203,666.60 = 60,885.74 : x
  2. Step 2: Convert to fraction form
    135,785.70/203,666.60 = 60,885.74/x
  3. Step 3: Cross multiply
    135,785.70x = 203,666.60 × 60,885.74
  4. Step 4: Simplify right side
    135,785.70x = 12,400,390,331.52
  5. Step 5: Solve for x
    x = 12,400,390,331.52/135,785.70
  6. Step 6: Final answer
    x = 91,323.24

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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.