Home / 154,846.08-213,695.10-91,204.32

Finding the Fourth Proportional to 154,846.08, 213,695.10 and 91,204.32

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Solution

The fourth proportional to 154,846.08, 213,695.10 and 91,204.32 is: 125,866.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,846.08 : 213,695.10 = 91,204.32 : x
  2. Step 2: Convert to fraction form
    154,846.08/213,695.10 = 91,204.32/x
  3. Step 3: Cross multiply
    154,846.08x = 213,695.10 × 91,204.32
  4. Step 4: Simplify right side
    154,846.08x = 19,489,916,282.83
  5. Step 5: Solve for x
    x = 19,489,916,282.83/154,846.08
  6. Step 6: Final answer
    x = 125,866.38

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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.