Home / 166,820.35-230,211.02-90,338.22

Finding the Fourth Proportional to 166,820.35, 230,211.02 and 90,338.22

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Solution

The fourth proportional to 166,820.35, 230,211.02 and 90,338.22 is: 124,666.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,820.35 : 230,211.02 = 90,338.22 : x
  2. Step 2: Convert to fraction form
    166,820.35/230,211.02 = 90,338.22/x
  3. Step 3: Cross multiply
    166,820.35x = 230,211.02 × 90,338.22
  4. Step 4: Simplify right side
    166,820.35x = 20,796,854,860.32
  5. Step 5: Solve for x
    x = 20,796,854,860.32/166,820.35
  6. Step 6: Final answer
    x = 124,666.18

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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.