Home / 134,820.70-202,231.05-92,830.30

Finding the Fourth Proportional to 134,820.70, 202,231.05 and 92,830.30

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Solution

The fourth proportional to 134,820.70, 202,231.05 and 92,830.30 is: 139,245.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,820.70 : 202,231.05 = 92,830.30 : x
  2. Step 2: Convert to fraction form
    134,820.70/202,231.05 = 92,830.30/x
  3. Step 3: Cross multiply
    134,820.70x = 202,231.05 × 92,830.30
  4. Step 4: Simplify right side
    134,820.70x = 18,773,169,040.82
  5. Step 5: Solve for x
    x = 18,773,169,040.82/134,820.70
  6. Step 6: Final answer
    x = 139,245.45

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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.