Home / 121,600.20-182,108.70-98,272.20

Finding the Fourth Proportional to 121,600.20, 182,108.70 and 98,272.20

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Solution

The fourth proportional to 121,600.20, 182,108.70 and 98,272.20 is: 147,172.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,600.20 : 182,108.70 = 98,272.20 : x
  2. Step 2: Convert to fraction form
    121,600.20/182,108.70 = 98,272.20/x
  3. Step 3: Cross multiply
    121,600.20x = 182,108.70 × 98,272.20
  4. Step 4: Simplify right side
    121,600.20x = 17,896,222,588.14
  5. Step 5: Solve for x
    x = 17,896,222,588.14/121,600.20
  6. Step 6: Final answer
    x = 147,172.64

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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.