Home / 154,007.39-230,820.37-87,245.13

Finding the Fourth Proportional to 154,007.39, 230,820.37 and 87,245.13

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Solution

The fourth proportional to 154,007.39, 230,820.37 and 87,245.13 is: 130,759.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,007.39 : 230,820.37 = 87,245.13 : x
  2. Step 2: Convert to fraction form
    154,007.39/230,820.37 = 87,245.13/x
  3. Step 3: Cross multiply
    154,007.39x = 230,820.37 × 87,245.13
  4. Step 4: Simplify right side
    154,007.39x = 20,137,953,834.76
  5. Step 5: Solve for x
    x = 20,137,953,834.76/154,007.39
  6. Step 6: Final answer
    x = 130,759.66

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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.