Home / 158,532.08-218,796.80-98,122.20

Finding the Fourth Proportional to 158,532.08, 218,796.80 and 98,122.20

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Solution

The fourth proportional to 158,532.08, 218,796.80 and 98,122.20 is: 135,422.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,532.08 : 218,796.80 = 98,122.20 : x
  2. Step 2: Convert to fraction form
    158,532.08/218,796.80 = 98,122.20/x
  3. Step 3: Cross multiply
    158,532.08x = 218,796.80 × 98,122.20
  4. Step 4: Simplify right side
    158,532.08x = 21,468,823,368.96
  5. Step 5: Solve for x
    x = 21,468,823,368.96/158,532.08
  6. Step 6: Final answer
    x = 135,422.58

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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.