Home / 158,520.06-218,967.30-118,163.70

Finding the Fourth Proportional to 158,520.06, 218,967.30 and 118,163.70

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Solution

The fourth proportional to 158,520.06, 218,967.30 and 118,163.70 is: 163,222.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,520.06 : 218,967.30 = 118,163.70 : x
  2. Step 2: Convert to fraction form
    158,520.06/218,967.30 = 118,163.70/x
  3. Step 3: Cross multiply
    158,520.06x = 218,967.30 × 118,163.70
  4. Step 4: Simplify right side
    158,520.06x = 25,873,986,347.01
  5. Step 5: Solve for x
    x = 25,873,986,347.01/158,520.06
  6. Step 6: Final answer
    x = 163,222.16

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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.