Home / 158,133.22-218,148.46-97,682.11

Finding the Fourth Proportional to 158,133.22, 218,148.46 and 97,682.11

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Solution

The fourth proportional to 158,133.22, 218,148.46 and 97,682.11 is: 134,754.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,133.22 : 218,148.46 = 97,682.11 : x
  2. Step 2: Convert to fraction form
    158,133.22/218,148.46 = 97,682.11/x
  3. Step 3: Cross multiply
    158,133.22x = 218,148.46 × 97,682.11
  4. Step 4: Simplify right side
    158,133.22x = 21,309,201,866.05
  5. Step 5: Solve for x
    x = 21,309,201,866.05/158,133.22
  6. Step 6: Final answer
    x = 134,754.75

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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.