Home / 155,347.28-214,311.96-97,941.36

Finding the Fourth Proportional to 155,347.28, 214,311.96 and 97,941.36

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Solution

The fourth proportional to 155,347.28, 214,311.96 and 97,941.36 is: 135,116.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,347.28 : 214,311.96 = 97,941.36 : x
  2. Step 2: Convert to fraction form
    155,347.28/214,311.96 = 97,941.36/x
  3. Step 3: Cross multiply
    155,347.28x = 214,311.96 × 97,941.36
  4. Step 4: Simplify right side
    155,347.28x = 20,990,004,826.67
  5. Step 5: Solve for x
    x = 20,990,004,826.67/155,347.28
  6. Step 6: Final answer
    x = 135,116.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.