Home / 161,815.80-242,723.70-98,830.20

Finding the Fourth Proportional to 161,815.80, 242,723.70 and 98,830.20

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Solution

The fourth proportional to 161,815.80, 242,723.70 and 98,830.20 is: 148,245.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,815.80 : 242,723.70 = 98,830.20 : x
  2. Step 2: Convert to fraction form
    161,815.80/242,723.70 = 98,830.20/x
  3. Step 3: Cross multiply
    161,815.80x = 242,723.70 × 98,830.20
  4. Step 4: Simplify right side
    161,815.80x = 23,988,431,815.74
  5. Step 5: Solve for x
    x = 23,988,431,815.74/161,815.80
  6. Step 6: Final answer
    x = 148,245.30

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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.