Home / 230,836.15-346,210.48-81,041.23

Finding the Fourth Proportional to 230,836.15, 346,210.48 and 81,041.23

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Solution

The fourth proportional to 230,836.15, 346,210.48 and 81,041.23 is: 121,546.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,836.15 : 346,210.48 = 81,041.23 : x
  2. Step 2: Convert to fraction form
    230,836.15/346,210.48 = 81,041.23/x
  3. Step 3: Cross multiply
    230,836.15x = 346,210.48 × 81,041.23
  4. Step 4: Simplify right side
    230,836.15x = 28,057,323,138.09
  5. Step 5: Solve for x
    x = 28,057,323,138.09/230,836.15
  6. Step 6: Final answer
    x = 121,546.49

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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.