Home / 154,226.34-230,776.14-91,076.31

Finding the Fourth Proportional to 154,226.34, 230,776.14 and 91,076.31

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Solution

The fourth proportional to 154,226.34, 230,776.14 and 91,076.31 is: 136,281.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,226.34 : 230,776.14 = 91,076.31 : x
  2. Step 2: Convert to fraction form
    154,226.34/230,776.14 = 91,076.31/x
  3. Step 3: Cross multiply
    154,226.34x = 230,776.14 × 91,076.31
  4. Step 4: Simplify right side
    154,226.34x = 21,018,239,267.24
  5. Step 5: Solve for x
    x = 21,018,239,267.24/154,226.34
  6. Step 6: Final answer
    x = 136,281.77

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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.