Home / 181,320.45-250,117.97-113,219.19

Finding the Fourth Proportional to 181,320.45, 250,117.97 and 113,219.19

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Solution

The fourth proportional to 181,320.45, 250,117.97 and 113,219.19 is: 156,177.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,320.45 : 250,117.97 = 113,219.19 : x
  2. Step 2: Convert to fraction form
    181,320.45/250,117.97 = 113,219.19/x
  3. Step 3: Cross multiply
    181,320.45x = 250,117.97 × 113,219.19
  4. Step 4: Simplify right side
    181,320.45x = 28,318,153,967.84
  5. Step 5: Solve for x
    x = 28,318,153,967.84/181,320.45
  6. Step 6: Final answer
    x = 156,177.39

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1.5x scale

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.