Home / 120,093.42-180,140.13-31,346.15

Finding the Fourth Proportional to 120,093.42, 180,140.13 and 31,346.15

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Solution

The fourth proportional to 120,093.42, 180,140.13 and 31,346.15 is: 47,019.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,093.42 : 180,140.13 = 31,346.15 : x
  2. Step 2: Convert to fraction form
    120,093.42/180,140.13 = 31,346.15/x
  3. Step 3: Cross multiply
    120,093.42x = 180,140.13 × 31,346.15
  4. Step 4: Simplify right side
    120,093.42x = 5,646,699,536.00
  5. Step 5: Solve for x
    x = 5,646,699,536.00/120,093.42
  6. Step 6: Final answer
    x = 47,019.23

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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.