Home / 142,071.58-213,328.50-135,760.87

Finding the Fourth Proportional to 142,071.58, 213,328.50 and 135,760.87

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Solution

The fourth proportional to 142,071.58, 213,328.50 and 135,760.87 is: 203,852.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,071.58 : 213,328.50 = 135,760.87 : x
  2. Step 2: Convert to fraction form
    142,071.58/213,328.50 = 135,760.87/x
  3. Step 3: Cross multiply
    142,071.58x = 213,328.50 × 135,760.87
  4. Step 4: Simplify right side
    142,071.58x = 28,961,662,755.80
  5. Step 5: Solve for x
    x = 28,961,662,755.80/142,071.58
  6. Step 6: Final answer
    x = 203,852.61

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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.