Home / 158,133.64-218,234.10-91,087.24

Finding the Fourth Proportional to 158,133.64, 218,234.10 and 91,087.24

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Solution

The fourth proportional to 158,133.64, 218,234.10 and 91,087.24 is: 125,705.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,133.64 : 218,234.10 = 91,087.24 : x
  2. Step 2: Convert to fraction form
    158,133.64/218,234.10 = 91,087.24/x
  3. Step 3: Cross multiply
    158,133.64x = 218,234.10 × 91,087.24
  4. Step 4: Simplify right side
    158,133.64x = 19,878,341,842.88
  5. Step 5: Solve for x
    x = 19,878,341,842.88/158,133.64
  6. Step 6: Final answer
    x = 125,705.97

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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.