Home / 227,039.80-313,307.62-135,158.76

Finding the Fourth Proportional to 227,039.80, 313,307.62 and 135,158.76

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Solution

The fourth proportional to 227,039.80, 313,307.62 and 135,158.76 is: 186,514.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,039.80 : 313,307.62 = 135,158.76 : x
  2. Step 2: Convert to fraction form
    227,039.80/313,307.62 = 135,158.76/x
  3. Step 3: Cross multiply
    227,039.80x = 313,307.62 × 135,158.76
  4. Step 4: Simplify right side
    227,039.80x = 42,346,269,417.75
  5. Step 5: Solve for x
    x = 42,346,269,417.75/227,039.80
  6. Step 6: Final answer
    x = 186,514.74

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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.